21272152

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1483}}^1$

素因数の和:1663

約数の個数: 32

約数和(自身を含む): 43807680

約数和(自身を除く): 22535528

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 163, 326, 652, 1304, 1483, 1793, 2966, 3586, 5932, 7172, 11864, 14344, 16313, 32626, 65252, 130504, 241729, 483458, 966916, 1933832, 2659019, 5318038, 10636076, 21272152]

約数ペア:

[(1, 21272152), (2, 10636076), (4, 5318038), (8, 2659019), (11, 1933832), (22, 966916), (44, 483458), (88, 241729), (163, 130504), (326, 65252), (652, 32626), (1304, 16313), (1483, 14344), (1793, 11864), (2966, 7172), (3586, 5932)]