21783840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3491}}^1$

素因数の和:3522

約数の個数: 96

約数和(自身を含む): 73918656

約数和(自身を除く): 52134816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 3491, 6240, 6982, 10473, 13964, 17455, 20946, 27928, 34910, 41892, 45383, 52365, 55856, 69820, 83784, 90766, 104730, 111712, 136149, 139640, 167568, 181532, 209460, 226915, 272298, 279280, 335136, 363064, 418920, 453830, 544596, 558560, 680745, 726128, 837840, 907660, 1089192, 1361490, 1452256, 1675680, 1815320, 2178384, 2722980, 3630640, 4356768, 5445960, 7261280, 10891920, 21783840]

約数ペア:

[(1, 21783840), (2, 10891920), (3, 7261280), (4, 5445960), (5, 4356768), (6, 3630640), (8, 2722980), (10, 2178384), (12, 1815320), (13, 1675680), (15, 1452256), (16, 1361490), (20, 1089192), (24, 907660), (26, 837840), (30, 726128), (32, 680745), (39, 558560), (40, 544596), (48, 453830), (52, 418920), (60, 363064), (65, 335136), (78, 279280), (80, 272298), (96, 226915), (104, 209460), (120, 181532), (130, 167568), (156, 139640), (160, 136149), (195, 111712), (208, 104730), (240, 90766), (260, 83784), (312, 69820), (390, 55856), (416, 52365), (480, 45383), (520, 41892), (624, 34910), (780, 27928), (1040, 20946), (1248, 17455), (1560, 13964), (2080, 10473), (3120, 6982), (3491, 6240)]