21981894

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{1229}}^1$

素因数の和:1516

約数の個数: 32

約数和(自身を含む): 48176640

約数和(自身を除く): 26194746

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 271, 542, 813, 1229, 1626, 2458, 2981, 3687, 5962, 7374, 8943, 13519, 17886, 27038, 40557, 81114, 333059, 666118, 999177, 1998354, 3663649, 7327298, 10990947, 21981894]

約数ペア:

[(1, 21981894), (2, 10990947), (3, 7327298), (6, 3663649), (11, 1998354), (22, 999177), (33, 666118), (66, 333059), (271, 81114), (542, 40557), (813, 27038), (1229, 17886), (1626, 13519), (2458, 8943), (2981, 7374), (3687, 5962)]