21022560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1123}}^1$

素因数の和:1157

約数の個数: 144

約数和(自身を含む): 77326704

約数和(自身を除く): 56304144

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1123, 1170, 1248, 1440, 1560, 1872, 2080, 2246, 2340, 3120, 3369, 3744, 4492, 4680, 5615, 6240, 6738, 8984, 9360, 10107, 11230, 13476, 14599, 16845, 17968, 18720, 20214, 22460, 26952, 29198, 33690, 35936, 40428, 43797, 44920, 50535, 53904, 58396, 67380, 72995, 80856, 87594, 89840, 101070, 107808, 116792, 131391, 134760, 145990, 161712, 175188, 179680, 202140, 218985, 233584, 262782, 269520, 291980, 323424, 350376, 404280, 437970, 467168, 525564, 539040, 583960, 656955, 700752, 808560, 875940, 1051128, 1167920, 1313910, 1401504, 1617120, 1751880, 2102256, 2335840, 2627820, 3503760, 4204512, 5255640, 7007520, 10511280, 21022560]

約数ペア:

[(1, 21022560), (2, 10511280), (3, 7007520), (4, 5255640), (5, 4204512), (6, 3503760), (8, 2627820), (9, 2335840), (10, 2102256), (12, 1751880), (13, 1617120), (15, 1401504), (16, 1313910), (18, 1167920), (20, 1051128), (24, 875940), (26, 808560), (30, 700752), (32, 656955), (36, 583960), (39, 539040), (40, 525564), (45, 467168), (48, 437970), (52, 404280), (60, 350376), (65, 323424), (72, 291980), (78, 269520), (80, 262782), (90, 233584), (96, 218985), (104, 202140), (117, 179680), (120, 175188), (130, 161712), (144, 145990), (156, 134760), (160, 131391), (180, 116792), (195, 107808), (208, 101070), (234, 89840), (240, 87594), (260, 80856), (288, 72995), (312, 67380), (360, 58396), (390, 53904), (416, 50535), (468, 44920), (480, 43797), (520, 40428), (585, 35936), (624, 33690), (720, 29198), (780, 26952), (936, 22460), (1040, 20214), (1123, 18720), (1170, 17968), (1248, 16845), (1440, 14599), (1560, 13476), (1872, 11230), (2080, 10107), (2246, 9360), (2340, 8984), (3120, 6738), (3369, 6240), (3744, 5615), (4492, 4680)]