21131394

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:602

約数の個数: 32

約数和(自身を含む): 43296000

約数和(自身を除く): 22164606

約数列:

[1, 2, 3, 6, 79, 109, 158, 218, 237, 327, 409, 474, 654, 818, 1227, 2454, 8611, 17222, 25833, 32311, 44581, 51666, 64622, 89162, 96933, 133743, 193866, 267486, 3521899, 7043798, 10565697, 21131394]

約数ペア:

[(1, 21131394), (2, 10565697), (3, 7043798), (6, 3521899), (79, 267486), (109, 193866), (158, 133743), (218, 96933), (237, 89162), (327, 64622), (409, 51666), (474, 44581), (654, 32311), (818, 25833), (1227, 17222), (2454, 8611)]