21493522

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{15287}}^1$

素因数の和:15345

約数の個数: 16

約数和(自身を含む): 34856640

約数和(自身を除く): 13363118

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 15287, 30574, 290453, 565619, 580906, 1131238, 10746761, 21493522]

約数ペア:

[(1, 21493522), (2, 10746761), (19, 1131238), (37, 580906), (38, 565619), (74, 290453), (703, 30574), (1406, 15287)]