21515296

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3217}}^1$

素因数の和:3257

約数の個数: 48

約数和(自身を含む): 48656160

約数和(自身を除く): 27140864

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 152, 176, 209, 304, 352, 418, 608, 836, 1672, 3217, 3344, 6434, 6688, 12868, 25736, 35387, 51472, 61123, 70774, 102944, 122246, 141548, 244492, 283096, 488984, 566192, 672353, 977968, 1132384, 1344706, 1955936, 2689412, 5378824, 10757648, 21515296]

約数ペア:

[(1, 21515296), (2, 10757648), (4, 5378824), (8, 2689412), (11, 1955936), (16, 1344706), (19, 1132384), (22, 977968), (32, 672353), (38, 566192), (44, 488984), (76, 283096), (88, 244492), (152, 141548), (176, 122246), (209, 102944), (304, 70774), (352, 61123), (418, 51472), (608, 35387), (836, 25736), (1672, 12868), (3217, 6688), (3344, 6434)]