21230378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{761}}^1$

素因数の和:842

約数の個数: 32

約数和(自身を含む): 36484560

約数和(自身を除く): 15254182

約数列:

[1, 2, 13, 26, 29, 37, 58, 74, 377, 481, 754, 761, 962, 1073, 1522, 2146, 9893, 13949, 19786, 22069, 27898, 28157, 44138, 56314, 286897, 366041, 573794, 732082, 816553, 1633106, 10615189, 21230378]

約数ペア:

[(1, 21230378), (2, 10615189), (13, 1633106), (26, 816553), (29, 732082), (37, 573794), (58, 366041), (74, 286897), (377, 56314), (481, 44138), (754, 28157), (761, 27898), (962, 22069), (1073, 19786), (1522, 13949), (2146, 9893)]