21826436

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:356

約数の個数: 36

約数和(自身を含む): 41260800

約数和(自身を除く): 19434364

約数列:

[1, 2, 4, 17, 34, 68, 79, 158, 239, 289, 316, 478, 578, 956, 1156, 1343, 2686, 4063, 5372, 8126, 16252, 18881, 22831, 37762, 45662, 69071, 75524, 91324, 138142, 276284, 320977, 641954, 1283908, 5456609, 10913218, 21826436]

約数ペア:

[(1, 21826436), (2, 10913218), (4, 5456609), (17, 1283908), (34, 641954), (68, 320977), (79, 276284), (158, 138142), (239, 91324), (289, 75524), (316, 69071), (478, 45662), (578, 37762), (956, 22831), (1156, 18881), (1343, 16252), (2686, 8126), (4063, 5372)]