21892680

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1$

素因数の和:285

約数の個数: 160

約数和(自身を含む): 76447800

約数和(自身を除く): 54555120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 81, 87, 90, 108, 116, 120, 135, 145, 162, 174, 180, 216, 232, 233, 261, 270, 290, 324, 348, 360, 405, 435, 466, 522, 540, 580, 648, 696, 699, 783, 810, 870, 932, 1044, 1080, 1160, 1165, 1305, 1398, 1566, 1620, 1740, 1864, 2088, 2097, 2330, 2349, 2610, 2796, 3132, 3240, 3480, 3495, 3915, 4194, 4660, 4698, 5220, 5592, 6264, 6291, 6757, 6990, 7830, 8388, 9320, 9396, 10440, 10485, 11745, 12582, 13514, 13980, 15660, 16776, 18792, 18873, 20271, 20970, 23490, 25164, 27028, 27960, 31320, 31455, 33785, 37746, 40542, 41940, 46980, 50328, 54056, 60813, 62910, 67570, 75492, 81084, 83880, 93960, 94365, 101355, 121626, 125820, 135140, 150984, 162168, 182439, 188730, 202710, 243252, 251640, 270280, 304065, 364878, 377460, 405420, 486504, 547317, 608130, 729756, 754920, 810840, 912195, 1094634, 1216260, 1459512, 1824390, 2189268, 2432520, 2736585, 3648780, 4378536, 5473170, 7297560, 10946340, 21892680]

約数ペア:

[(1, 21892680), (2, 10946340), (3, 7297560), (4, 5473170), (5, 4378536), (6, 3648780), (8, 2736585), (9, 2432520), (10, 2189268), (12, 1824390), (15, 1459512), (18, 1216260), (20, 1094634), (24, 912195), (27, 810840), (29, 754920), (30, 729756), (36, 608130), (40, 547317), (45, 486504), (54, 405420), (58, 377460), (60, 364878), (72, 304065), (81, 270280), (87, 251640), (90, 243252), (108, 202710), (116, 188730), (120, 182439), (135, 162168), (145, 150984), (162, 135140), (174, 125820), (180, 121626), (216, 101355), (232, 94365), (233, 93960), (261, 83880), (270, 81084), (290, 75492), (324, 67570), (348, 62910), (360, 60813), (405, 54056), (435, 50328), (466, 46980), (522, 41940), (540, 40542), (580, 37746), (648, 33785), (696, 31455), (699, 31320), (783, 27960), (810, 27028), (870, 25164), (932, 23490), (1044, 20970), (1080, 20271), (1160, 18873), (1165, 18792), (1305, 16776), (1398, 15660), (1566, 13980), (1620, 13514), (1740, 12582), (1864, 11745), (2088, 10485), (2097, 10440), (2330, 9396), (2349, 9320), (2610, 8388), (2796, 7830), (3132, 6990), (3240, 6757), (3480, 6291), (3495, 6264), (3915, 5592), (4194, 5220), (4660, 4698)]