21235068

素因数分解:

$2^2\times 3^3\times {\mathrm{353}}^1\times {\mathrm{557}}^1$

素因数の和:923

約数の個数: 48

約数和(自身を含む): 55308960

約数和(自身を除く): 34073892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 353, 557, 706, 1059, 1114, 1412, 1671, 2118, 2228, 3177, 3342, 4236, 5013, 6354, 6684, 9531, 10026, 12708, 15039, 19062, 20052, 30078, 38124, 60156, 196621, 393242, 589863, 786484, 1179726, 1769589, 2359452, 3539178, 5308767, 7078356, 10617534, 21235068]

約数ペア:

[(1, 21235068), (2, 10617534), (3, 7078356), (4, 5308767), (6, 3539178), (9, 2359452), (12, 1769589), (18, 1179726), (27, 786484), (36, 589863), (54, 393242), (108, 196621), (353, 60156), (557, 38124), (706, 30078), (1059, 20052), (1114, 19062), (1412, 15039), (1671, 12708), (2118, 10026), (2228, 9531), (3177, 6684), (3342, 6354), (4236, 5013)]