21923480

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3491}}^1$

素因数の和:3659

約数の個数: 32

約数和(自身を含む): 49656240

約数和(自身を除く): 27732760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 3491, 6280, 6982, 13964, 17455, 27928, 34910, 69820, 139640, 548087, 1096174, 2192348, 2740435, 4384696, 5480870, 10961740, 21923480]

約数ペア:

[(1, 21923480), (2, 10961740), (4, 5480870), (5, 4384696), (8, 2740435), (10, 2192348), (20, 1096174), (40, 548087), (157, 139640), (314, 69820), (628, 34910), (785, 27928), (1256, 17455), (1570, 13964), (3140, 6982), (3491, 6280)]