21799440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:186

約数の個数: 240

約数和(自身を含む): 84088368

約数和(自身を除く): 62288928

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 48, 51, 52, 60, 65, 68, 72, 78, 80, 85, 90, 102, 104, 117, 120, 130, 136, 137, 144, 153, 156, 170, 180, 195, 204, 208, 221, 234, 240, 255, 260, 272, 274, 306, 312, 340, 360, 390, 408, 411, 442, 468, 510, 520, 548, 585, 612, 624, 663, 680, 685, 720, 765, 780, 816, 822, 884, 936, 1020, 1040, 1096, 1105, 1170, 1224, 1233, 1326, 1360, 1370, 1530, 1560, 1644, 1768, 1781, 1872, 1989, 2040, 2055, 2192, 2210, 2329, 2340, 2448, 2466, 2652, 2740, 3060, 3120, 3288, 3315, 3536, 3562, 3978, 4080, 4110, 4420, 4658, 4680, 4932, 5304, 5343, 5480, 6120, 6165, 6576, 6630, 6987, 7124, 7956, 8220, 8840, 8905, 9316, 9360, 9864, 9945, 10608, 10686, 10960, 11645, 12240, 12330, 13260, 13974, 14248, 15912, 16029, 16440, 17680, 17810, 18632, 19728, 19890, 20961, 21372, 23290, 24660, 26520, 26715, 27948, 28496, 30277, 31824, 32058, 32880, 34935, 35620, 37264, 39780, 41922, 42744, 46580, 49320, 53040, 53430, 55896, 60554, 64116, 69870, 71240, 79560, 80145, 83844, 85488, 90831, 93160, 98640, 104805, 106860, 111792, 121108, 128232, 139740, 142480, 151385, 159120, 160290, 167688, 181662, 186320, 209610, 213720, 242216, 256464, 272493, 279480, 302770, 320580, 335376, 363324, 419220, 427440, 454155, 484432, 544986, 558960, 605540, 641160, 726648, 838440, 908310, 1089972, 1211080, 1282320, 1362465, 1453296, 1676880, 1816620, 2179944, 2422160, 2724930, 3633240, 4359888, 5449860, 7266480, 10899720, 21799440]

約数ペア:

[(1, 21799440), (2, 10899720), (3, 7266480), (4, 5449860), (5, 4359888), (6, 3633240), (8, 2724930), (9, 2422160), (10, 2179944), (12, 1816620), (13, 1676880), (15, 1453296), (16, 1362465), (17, 1282320), (18, 1211080), (20, 1089972), (24, 908310), (26, 838440), (30, 726648), (34, 641160), (36, 605540), (39, 558960), (40, 544986), (45, 484432), (48, 454155), (51, 427440), (52, 419220), (60, 363324), (65, 335376), (68, 320580), (72, 302770), (78, 279480), (80, 272493), (85, 256464), (90, 242216), (102, 213720), (104, 209610), (117, 186320), (120, 181662), (130, 167688), (136, 160290), (137, 159120), (144, 151385), (153, 142480), (156, 139740), (170, 128232), (180, 121108), (195, 111792), (204, 106860), (208, 104805), (221, 98640), (234, 93160), (240, 90831), (255, 85488), (260, 83844), (272, 80145), (274, 79560), (306, 71240), (312, 69870), (340, 64116), (360, 60554), (390, 55896), (408, 53430), (411, 53040), (442, 49320), (468, 46580), (510, 42744), (520, 41922), (548, 39780), (585, 37264), (612, 35620), (624, 34935), (663, 32880), (680, 32058), (685, 31824), (720, 30277), (765, 28496), (780, 27948), (816, 26715), (822, 26520), (884, 24660), (936, 23290), (1020, 21372), (1040, 20961), (1096, 19890), (1105, 19728), (1170, 18632), (1224, 17810), (1233, 17680), (1326, 16440), (1360, 16029), (1370, 15912), (1530, 14248), (1560, 13974), (1644, 13260), (1768, 12330), (1781, 12240), (1872, 11645), (1989, 10960), (2040, 10686), (2055, 10608), (2192, 9945), (2210, 9864), (2329, 9360), (2340, 9316), (2448, 8905), (2466, 8840), (2652, 8220), (2740, 7956), (3060, 7124), (3120, 6987), (3288, 6630), (3315, 6576), (3536, 6165), (3562, 6120), (3978, 5480), (4080, 5343), (4110, 5304), (4420, 4932), (4658, 4680)]