21320892

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{12601}}^1$

素因数の和:12658

約数の個数: 36

約数和(自身を含む): 55045536

約数和(自身を除く): 33724644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 12601, 25202, 37803, 50404, 75606, 113409, 151212, 226818, 453636, 592247, 1184494, 1776741, 2368988, 3553482, 5330223, 7106964, 10660446, 21320892]

約数ペア:

[(1, 21320892), (2, 10660446), (3, 7106964), (4, 5330223), (6, 3553482), (9, 2368988), (12, 1776741), (18, 1184494), (36, 592247), (47, 453636), (94, 226818), (141, 151212), (188, 113409), (282, 75606), (423, 50404), (564, 37803), (846, 25202), (1692, 12601)]