21273742

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{5867}}^1$

素因数の和:5920

約数の個数: 24

約数和(自身を含む): 38130264

約数和(自身を除く): 16856522

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 518, 1813, 3626, 5867, 11734, 41069, 82138, 217079, 287483, 434158, 574966, 1519553, 3039106, 10636871, 21273742]

約数ペア:

[(1, 21273742), (2, 10636871), (7, 3039106), (14, 1519553), (37, 574966), (49, 434158), (74, 287483), (98, 217079), (259, 82138), (518, 41069), (1813, 11734), (3626, 5867)]