21072564

素因数分解:

$2^2\times 3^2\times {\mathrm{103}}^1\times {\mathrm{5683}}^1$

素因数の和:5796

約数の個数: 36

約数和(自身を含む): 53793376

約数和(自身を除く): 32720812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 103, 206, 309, 412, 618, 927, 1236, 1854, 3708, 5683, 11366, 17049, 22732, 34098, 51147, 68196, 102294, 204588, 585349, 1170698, 1756047, 2341396, 3512094, 5268141, 7024188, 10536282, 21072564]

約数ペア:

[(1, 21072564), (2, 10536282), (3, 7024188), (4, 5268141), (6, 3512094), (9, 2341396), (12, 1756047), (18, 1170698), (36, 585349), (103, 204588), (206, 102294), (309, 68196), (412, 51147), (618, 34098), (927, 22732), (1236, 17049), (1854, 11366), (3708, 5683)]