21612348

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{1663}}^1$

素因数の和:1711

約数の個数: 54

約数和(自身を含む): 57692544

約数和(自身を除く): 36080196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 361, 684, 722, 1083, 1444, 1663, 2166, 3249, 3326, 4332, 4989, 6498, 6652, 9978, 12996, 14967, 19956, 29934, 31597, 59868, 63194, 94791, 126388, 189582, 284373, 379164, 568746, 600343, 1137492, 1200686, 1801029, 2401372, 3602058, 5403087, 7204116, 10806174, 21612348]

約数ペア:

[(1, 21612348), (2, 10806174), (3, 7204116), (4, 5403087), (6, 3602058), (9, 2401372), (12, 1801029), (18, 1200686), (19, 1137492), (36, 600343), (38, 568746), (57, 379164), (76, 284373), (114, 189582), (171, 126388), (228, 94791), (342, 63194), (361, 59868), (684, 31597), (722, 29934), (1083, 19956), (1444, 14967), (1663, 12996), (2166, 9978), (3249, 6652), (3326, 6498), (4332, 4989)]