21757424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3607}}^1$

素因数の和:3657

約数の個数: 40

約数和(自身を含む): 46976160

約数和(自身を除く): 25218736

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 208, 232, 377, 464, 754, 1508, 3016, 3607, 6032, 7214, 14428, 28856, 46891, 57712, 93782, 104603, 187564, 209206, 375128, 418412, 750256, 836824, 1359839, 1673648, 2719678, 5439356, 10878712, 21757424]

約数ペア:

[(1, 21757424), (2, 10878712), (4, 5439356), (8, 2719678), (13, 1673648), (16, 1359839), (26, 836824), (29, 750256), (52, 418412), (58, 375128), (104, 209206), (116, 187564), (208, 104603), (232, 93782), (377, 57712), (464, 46891), (754, 28856), (1508, 14428), (3016, 7214), (3607, 6032)]