21900654

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{64037}}^1$

素因数の和:64064

約数の個数: 24

約数和(自身を含む): 49949640

約数和(自身を除く): 28048986

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 64037, 128074, 192111, 384222, 576333, 1152666, 1216703, 2433406, 3650109, 7300218, 10950327, 21900654]

約数ペア:

[(1, 21900654), (2, 10950327), (3, 7300218), (6, 3650109), (9, 2433406), (18, 1216703), (19, 1152666), (38, 576333), (57, 384222), (114, 192111), (171, 128074), (342, 64037)]