21316936

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2377}}^1$

素因数の和:2461

約数の個数: 32

約数和(自身を含む): 42804000

約数和(自身を除く): 21487064

約数列:

[1, 2, 4, 8, 19, 38, 59, 76, 118, 152, 236, 472, 1121, 2242, 2377, 4484, 4754, 8968, 9508, 19016, 45163, 90326, 140243, 180652, 280486, 361304, 560972, 1121944, 2664617, 5329234, 10658468, 21316936]

約数ペア:

[(1, 21316936), (2, 10658468), (4, 5329234), (8, 2664617), (19, 1121944), (38, 560972), (59, 361304), (76, 280486), (118, 180652), (152, 140243), (236, 90326), (472, 45163), (1121, 19016), (2242, 9508), (2377, 8968), (4484, 4754)]