21631738

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 13826822

約数列:

[1, 2, 29, 31, 53, 58, 62, 106, 227, 454, 899, 1537, 1643, 1798, 3074, 3286, 6583, 7037, 12031, 13166, 14074, 24062, 47647, 95294, 204073, 348899, 372961, 408146, 697798, 745922, 10815869, 21631738]

約数ペア:

[(1, 21631738), (2, 10815869), (29, 745922), (31, 697798), (53, 408146), (58, 372961), (62, 348899), (106, 204073), (227, 95294), (454, 47647), (899, 24062), (1537, 14074), (1643, 13166), (1798, 12031), (3074, 7037), (3286, 6583)]