21189756

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{36037}}^1$

素因数の和:36058

約数の個数: 36

約数和(自身を含む): 57516648

約数和(自身を除く): 36326892

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 36037, 72074, 108111, 144148, 216222, 252259, 432444, 504518, 756777, 1009036, 1513554, 1765813, 3027108, 3531626, 5297439, 7063252, 10594878, 21189756]

約数ペア:

[(1, 21189756), (2, 10594878), (3, 7063252), (4, 5297439), (6, 3531626), (7, 3027108), (12, 1765813), (14, 1513554), (21, 1009036), (28, 756777), (42, 504518), (49, 432444), (84, 252259), (98, 216222), (147, 144148), (196, 108111), (294, 72074), (588, 36037)]