21266453

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 25034400

約数和(自身を除く): 3767947

約数列:

[1, 13, 19, 37, 169, 179, 247, 481, 703, 2327, 3211, 3401, 6253, 6623, 9139, 30251, 44213, 86099, 118807, 125837, 574769, 1119287, 1635881, 21266453]

約数ペア:

[(1, 21266453), (13, 1635881), (19, 1119287), (37, 574769), (169, 125837), (179, 118807), (247, 86099), (481, 44213), (703, 30251), (2327, 9139), (3211, 6623), (3401, 6253)]