21646440

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:174

約数の個数: 192

約数和(自身を含む): 77837760

約数和(自身を除く): 56191320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 81, 85, 90, 102, 108, 120, 131, 135, 136, 153, 162, 170, 180, 204, 216, 243, 255, 262, 270, 306, 324, 340, 360, 393, 405, 408, 459, 486, 510, 524, 540, 612, 648, 655, 680, 765, 786, 810, 918, 972, 1020, 1048, 1080, 1179, 1215, 1224, 1310, 1377, 1530, 1572, 1620, 1836, 1944, 1965, 2040, 2227, 2295, 2358, 2430, 2620, 2754, 3060, 3144, 3240, 3537, 3672, 3930, 4131, 4454, 4590, 4716, 4860, 5240, 5508, 5895, 6120, 6681, 6885, 7074, 7860, 8262, 8908, 9180, 9432, 9720, 10611, 11016, 11135, 11790, 13362, 13770, 14148, 15720, 16524, 17685, 17816, 18360, 20043, 20655, 21222, 22270, 23580, 26724, 27540, 28296, 31833, 33048, 33405, 35370, 40086, 41310, 42444, 44540, 47160, 53055, 53448, 55080, 60129, 63666, 66810, 70740, 80172, 82620, 84888, 89080, 100215, 106110, 120258, 127332, 133620, 141480, 159165, 160344, 165240, 180387, 200430, 212220, 240516, 254664, 267240, 300645, 318330, 360774, 400860, 424440, 481032, 541161, 601290, 636660, 721548, 801720, 901935, 1082322, 1202580, 1273320, 1443096, 1803870, 2164644, 2405160, 2705805, 3607740, 4329288, 5411610, 7215480, 10823220, 21646440]

約数ペア:

[(1, 21646440), (2, 10823220), (3, 7215480), (4, 5411610), (5, 4329288), (6, 3607740), (8, 2705805), (9, 2405160), (10, 2164644), (12, 1803870), (15, 1443096), (17, 1273320), (18, 1202580), (20, 1082322), (24, 901935), (27, 801720), (30, 721548), (34, 636660), (36, 601290), (40, 541161), (45, 481032), (51, 424440), (54, 400860), (60, 360774), (68, 318330), (72, 300645), (81, 267240), (85, 254664), (90, 240516), (102, 212220), (108, 200430), (120, 180387), (131, 165240), (135, 160344), (136, 159165), (153, 141480), (162, 133620), (170, 127332), (180, 120258), (204, 106110), (216, 100215), (243, 89080), (255, 84888), (262, 82620), (270, 80172), (306, 70740), (324, 66810), (340, 63666), (360, 60129), (393, 55080), (405, 53448), (408, 53055), (459, 47160), (486, 44540), (510, 42444), (524, 41310), (540, 40086), (612, 35370), (648, 33405), (655, 33048), (680, 31833), (765, 28296), (786, 27540), (810, 26724), (918, 23580), (972, 22270), (1020, 21222), (1048, 20655), (1080, 20043), (1179, 18360), (1215, 17816), (1224, 17685), (1310, 16524), (1377, 15720), (1530, 14148), (1572, 13770), (1620, 13362), (1836, 11790), (1944, 11135), (1965, 11016), (2040, 10611), (2227, 9720), (2295, 9432), (2358, 9180), (2430, 8908), (2620, 8262), (2754, 7860), (3060, 7074), (3144, 6885), (3240, 6681), (3537, 6120), (3672, 5895), (3930, 5508), (4131, 5240), (4454, 4860), (4590, 4716)]