15721831188

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{20796073}}^1$

素因数の和:20796093

約数の個数: 48

約数和(自身を含む): 46583205760

約数和(自身を除く): 30861374572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 20796073, 41592146, 62388219, 83184292, 124776438, 145572511, 187164657, 249552876, 291145022, 374329314, 436717533, 561493971, 582290044, 748658628, 873435066, 1122987942, 1310152599, 1746870132, 2245975884, 2620305198, 3930457797, 5240610396, 7860915594, 15721831188]

約数ペア:

[(1, 15721831188), (2, 7860915594), (3, 5240610396), (4, 3930457797), (6, 2620305198), (7, 2245975884), (9, 1746870132), (12, 1310152599), (14, 1122987942), (18, 873435066), (21, 748658628), (27, 582290044), (28, 561493971), (36, 436717533), (42, 374329314), (54, 291145022), (63, 249552876), (84, 187164657), (108, 145572511), (126, 124776438), (189, 83184292), (252, 62388219), (378, 41592146), (756, 20796073)]