2021111560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{4211}}^1$

素因数の和:4319

約数の個数: 96

約数和(自身を含む): 4994758080

約数和(自身を除く): 2973646520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 169, 260, 284, 338, 355, 520, 568, 676, 710, 845, 923, 1352, 1420, 1690, 1846, 2840, 3380, 3692, 4211, 4615, 6760, 7384, 8422, 9230, 11999, 16844, 18460, 21055, 23998, 33688, 36920, 42110, 47996, 54743, 59995, 84220, 95992, 109486, 119990, 168440, 218972, 239980, 273715, 298981, 437944, 479960, 547430, 597962, 711659, 1094860, 1195924, 1423318, 1494905, 2189720, 2391848, 2846636, 2989810, 3558295, 3886753, 5693272, 5979620, 7116590, 7773506, 11959240, 14233180, 15547012, 19433765, 28466360, 31094024, 38867530, 50527789, 77735060, 101055578, 155470120, 202111156, 252638945, 404222312, 505277890, 1010555780, 2021111560]

約数ペア:

[(1, 2021111560), (2, 1010555780), (4, 505277890), (5, 404222312), (8, 252638945), (10, 202111156), (13, 155470120), (20, 101055578), (26, 77735060), (40, 50527789), (52, 38867530), (65, 31094024), (71, 28466360), (104, 19433765), (130, 15547012), (142, 14233180), (169, 11959240), (260, 7773506), (284, 7116590), (338, 5979620), (355, 5693272), (520, 3886753), (568, 3558295), (676, 2989810), (710, 2846636), (845, 2391848), (923, 2189720), (1352, 1494905), (1420, 1423318), (1690, 1195924), (1846, 1094860), (2840, 711659), (3380, 597962), (3692, 547430), (4211, 479960), (4615, 437944), (6760, 298981), (7384, 273715), (8422, 239980), (9230, 218972), (11999, 168440), (16844, 119990), (18460, 109486), (21055, 95992), (23998, 84220), (33688, 59995), (36920, 54743), (42110, 47996)]