21875612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 44513280

約数和(自身を除く): 22637668

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 137, 191, 209, 274, 382, 418, 548, 764, 836, 1507, 2101, 2603, 3014, 3629, 4202, 5206, 6028, 7258, 8404, 10412, 14516, 26167, 28633, 39919, 52334, 57266, 79838, 104668, 114532, 159676, 287837, 497173, 575674, 994346, 1151348, 1988692, 5468903, 10937806, 21875612]

約数ペア:

[(1, 21875612), (2, 10937806), (4, 5468903), (11, 1988692), (19, 1151348), (22, 994346), (38, 575674), (44, 497173), (76, 287837), (137, 159676), (191, 114532), (209, 104668), (274, 79838), (382, 57266), (418, 52334), (548, 39919), (764, 28633), (836, 26167), (1507, 14516), (2101, 10412), (2603, 8404), (3014, 7258), (3629, 6028), (4202, 5206)]