2021189690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{212981}}^1$

素因数の和:213074

約数の個数: 32

約数和(自身を含む): 3971688336

約数和(自身を除く): 1950498646

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 4745, 9490, 212981, 425962, 1064905, 2129810, 2768753, 5537506, 13843765, 15547613, 27687530, 31095226, 77738065, 155476130, 202118969, 404237938, 1010594845, 2021189690]

約数ペア:

[(1, 2021189690), (2, 1010594845), (5, 404237938), (10, 202118969), (13, 155476130), (26, 77738065), (65, 31095226), (73, 27687530), (130, 15547613), (146, 13843765), (365, 5537506), (730, 2768753), (949, 2129810), (1898, 1064905), (4745, 425962), (9490, 212981)]