2021210440

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{754183}}^1$

素因数の和:754261

約数の個数: 32

約数和(自身を含む): 4615606080

約数和(自身を除く): 2594395640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 754183, 1508366, 3016732, 3770915, 6033464, 7541830, 15083660, 30167320, 50530261, 101060522, 202121044, 252651305, 404242088, 505302610, 1010605220, 2021210440]

約数ペア:

[(1, 2021210440), (2, 1010605220), (4, 505302610), (5, 404242088), (8, 252651305), (10, 202121044), (20, 101060522), (40, 50530261), (67, 30167320), (134, 15083660), (268, 7541830), (335, 6033464), (536, 3770915), (670, 3016732), (1340, 1508366), (2680, 754183)]