21131462040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1063}}^1\times {\mathrm{12743}}^1$

素因数の和:13833

約数の個数: 128

約数和(自身を含む): 68340464640

約数和(自身を除く): 47209002600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1063, 1560, 2126, 3189, 4252, 5315, 6378, 8504, 10630, 12743, 12756, 13819, 15945, 21260, 25486, 25512, 27638, 31890, 38229, 41457, 42520, 50972, 55276, 63715, 63780, 69095, 76458, 82914, 101944, 110552, 127430, 127560, 138190, 152916, 165659, 165828, 191145, 207285, 254860, 276380, 305832, 331318, 331656, 382290, 414570, 496977, 509720, 552760, 662636, 764580, 828295, 829140, 993954, 1325272, 1529160, 1656590, 1658280, 1987908, 2484885, 3313180, 3975816, 4969770, 6626360, 9939540, 13545809, 19879080, 27091618, 40637427, 54183236, 67729045, 81274854, 108366472, 135458090, 162549708, 176095517, 203187135, 270916180, 325099416, 352191034, 406374270, 528286551, 541832360, 704382068, 812748540, 880477585, 1056573102, 1408764136, 1625497080, 1760955170, 2113146204, 2641432755, 3521910340, 4226292408, 5282865510, 7043820680, 10565731020, 21131462040]

約数ペア:

[(1, 21131462040), (2, 10565731020), (3, 7043820680), (4, 5282865510), (5, 4226292408), (6, 3521910340), (8, 2641432755), (10, 2113146204), (12, 1760955170), (13, 1625497080), (15, 1408764136), (20, 1056573102), (24, 880477585), (26, 812748540), (30, 704382068), (39, 541832360), (40, 528286551), (52, 406374270), (60, 352191034), (65, 325099416), (78, 270916180), (104, 203187135), (120, 176095517), (130, 162549708), (156, 135458090), (195, 108366472), (260, 81274854), (312, 67729045), (390, 54183236), (520, 40637427), (780, 27091618), (1063, 19879080), (1560, 13545809), (2126, 9939540), (3189, 6626360), (4252, 4969770), (5315, 3975816), (6378, 3313180), (8504, 2484885), (10630, 1987908), (12743, 1658280), (12756, 1656590), (13819, 1529160), (15945, 1325272), (21260, 993954), (25486, 829140), (25512, 828295), (27638, 764580), (31890, 662636), (38229, 552760), (41457, 509720), (42520, 496977), (50972, 414570), (55276, 382290), (63715, 331656), (63780, 331318), (69095, 305832), (76458, 276380), (82914, 254860), (101944, 207285), (110552, 191145), (127430, 165828), (127560, 165659), (138190, 152916)]