21279084

素因数分解:

$2^2\times 3^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 50939616

約数和(自身を除く): 29660532

約数列:

[1, 2, 3, 4, 6, 12, 97, 101, 181, 194, 202, 291, 303, 362, 388, 404, 543, 582, 606, 724, 1086, 1164, 1212, 2172, 9797, 17557, 18281, 19594, 29391, 35114, 36562, 39188, 52671, 54843, 58782, 70228, 73124, 105342, 109686, 117564, 210684, 219372, 1773257, 3546514, 5319771, 7093028, 10639542, 21279084]

約数ペア:

[(1, 21279084), (2, 10639542), (3, 7093028), (4, 5319771), (6, 3546514), (12, 1773257), (97, 219372), (101, 210684), (181, 117564), (194, 109686), (202, 105342), (291, 73124), (303, 70228), (362, 58782), (388, 54843), (404, 52671), (543, 39188), (582, 36562), (606, 35114), (724, 29391), (1086, 19594), (1164, 18281), (1212, 17557), (2172, 9797)]