21568360055

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{897373}}^1$

素因数の和:897431

約数の個数: 32

約数和(自身を含む): 31013245440

約数和(自身を除く): 9444885385

約数列:

[1, 5, 11, 19, 23, 55, 95, 115, 209, 253, 437, 1045, 1265, 2185, 4807, 24035, 897373, 4486865, 9871103, 17050087, 20639579, 49355515, 85250435, 103197895, 187550957, 227035369, 392152001, 937754785, 1135176845, 1960760005, 4313672011, 21568360055]

約数ペア:

[(1, 21568360055), (5, 4313672011), (11, 1960760005), (19, 1135176845), (23, 937754785), (55, 392152001), (95, 227035369), (115, 187550957), (209, 103197895), (253, 85250435), (437, 49355515), (1045, 20639579), (1265, 17050087), (2185, 9871103), (4807, 4486865), (24035, 897373)]