21921840

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:241

約数の個数: 200

約数和(自身を含む): 81021600

約数和(自身を除く): 59099760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 81, 85, 90, 102, 108, 120, 135, 136, 144, 153, 162, 170, 180, 199, 204, 216, 240, 255, 270, 272, 306, 324, 340, 360, 398, 405, 408, 432, 459, 510, 540, 597, 612, 648, 680, 720, 765, 796, 810, 816, 918, 995, 1020, 1080, 1194, 1224, 1296, 1360, 1377, 1530, 1592, 1620, 1791, 1836, 1990, 2040, 2160, 2295, 2388, 2448, 2754, 2985, 3060, 3184, 3240, 3383, 3582, 3672, 3980, 4080, 4590, 4776, 5373, 5508, 5970, 6120, 6480, 6766, 6885, 7164, 7344, 7960, 8955, 9180, 9552, 10149, 10746, 11016, 11940, 12240, 13532, 13770, 14328, 15920, 16119, 16915, 17910, 18360, 20298, 21492, 22032, 23880, 26865, 27064, 27540, 28656, 30447, 32238, 33830, 35820, 36720, 40596, 42984, 47760, 50745, 53730, 54128, 55080, 60894, 64476, 67660, 71640, 80595, 81192, 85968, 91341, 101490, 107460, 110160, 121788, 128952, 135320, 143280, 152235, 161190, 162384, 182682, 202980, 214920, 243576, 257904, 270640, 274023, 304470, 322380, 365364, 405960, 429840, 456705, 487152, 548046, 608940, 644760, 730728, 811920, 913410, 1096092, 1217880, 1289520, 1370115, 1461456, 1826820, 2192184, 2435760, 2740230, 3653640, 4384368, 5480460, 7307280, 10960920, 21921840]

約数ペア:

[(1, 21921840), (2, 10960920), (3, 7307280), (4, 5480460), (5, 4384368), (6, 3653640), (8, 2740230), (9, 2435760), (10, 2192184), (12, 1826820), (15, 1461456), (16, 1370115), (17, 1289520), (18, 1217880), (20, 1096092), (24, 913410), (27, 811920), (30, 730728), (34, 644760), (36, 608940), (40, 548046), (45, 487152), (48, 456705), (51, 429840), (54, 405960), (60, 365364), (68, 322380), (72, 304470), (80, 274023), (81, 270640), (85, 257904), (90, 243576), (102, 214920), (108, 202980), (120, 182682), (135, 162384), (136, 161190), (144, 152235), (153, 143280), (162, 135320), (170, 128952), (180, 121788), (199, 110160), (204, 107460), (216, 101490), (240, 91341), (255, 85968), (270, 81192), (272, 80595), (306, 71640), (324, 67660), (340, 64476), (360, 60894), (398, 55080), (405, 54128), (408, 53730), (432, 50745), (459, 47760), (510, 42984), (540, 40596), (597, 36720), (612, 35820), (648, 33830), (680, 32238), (720, 30447), (765, 28656), (796, 27540), (810, 27064), (816, 26865), (918, 23880), (995, 22032), (1020, 21492), (1080, 20298), (1194, 18360), (1224, 17910), (1296, 16915), (1360, 16119), (1377, 15920), (1530, 14328), (1592, 13770), (1620, 13532), (1791, 12240), (1836, 11940), (1990, 11016), (2040, 10746), (2160, 10149), (2295, 9552), (2388, 9180), (2448, 8955), (2754, 7960), (2985, 7344), (3060, 7164), (3184, 6885), (3240, 6766), (3383, 6480), (3582, 6120), (3672, 5970), (3980, 5508), (4080, 5373), (4590, 4776)]