21308406

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2803}}^1$

素因数の和:2996

約数の個数: 32

約数和(自身を含む): 48991488

約数和(自身を除く): 27683082

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 181, 362, 543, 1086, 1267, 2534, 2803, 3801, 5606, 7602, 8409, 16818, 19621, 39242, 58863, 117726, 507343, 1014686, 1522029, 3044058, 3551401, 7102802, 10654203, 21308406]

約数ペア:

[(1, 21308406), (2, 10654203), (3, 7102802), (6, 3551401), (7, 3044058), (14, 1522029), (21, 1014686), (42, 507343), (181, 117726), (362, 58863), (543, 39242), (1086, 19621), (1267, 16818), (2534, 8409), (2803, 7602), (3801, 5606)]