21017358

素因数分解:

$2^1\times 3^2\times {\mathrm{181}}^1\times {\mathrm{6451}}^1$

素因数の和:6640

約数の個数: 24

約数和(自身を含む): 45796296

約数和(自身を除く): 24778938

約数列:

[1, 2, 3, 6, 9, 18, 181, 362, 543, 1086, 1629, 3258, 6451, 12902, 19353, 38706, 58059, 116118, 1167631, 2335262, 3502893, 7005786, 10508679, 21017358]

約数ペア:

[(1, 21017358), (2, 10508679), (3, 7005786), (6, 3502893), (9, 2335262), (18, 1167631), (181, 116118), (362, 58059), (543, 38706), (1086, 19353), (1629, 12902), (3258, 6451)]