21820596

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{5527}}^1$

素因数の和:5588

約数の個数: 48

約数和(自身を含む): 59437056

約数和(自身を除く): 37616460

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 5527, 11054, 16581, 22108, 33162, 38689, 66324, 77378, 116067, 154756, 232134, 259769, 464268, 519538, 779307, 1039076, 1558614, 1818383, 3117228, 3636766, 5455149, 7273532, 10910298, 21820596]

約数ペア:

[(1, 21820596), (2, 10910298), (3, 7273532), (4, 5455149), (6, 3636766), (7, 3117228), (12, 1818383), (14, 1558614), (21, 1039076), (28, 779307), (42, 519538), (47, 464268), (84, 259769), (94, 232134), (141, 154756), (188, 116067), (282, 77378), (329, 66324), (564, 38689), (658, 33162), (987, 22108), (1316, 16581), (1974, 11054), (3948, 5527)]