21868890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{6451}}^1$

素因数の和:6574

約数の個数: 32

約数和(自身を含む): 52958016

約数和(自身を除く): 31089126

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 113, 226, 339, 565, 678, 1130, 1695, 3390, 6451, 12902, 19353, 32255, 38706, 64510, 96765, 193530, 728963, 1457926, 2186889, 3644815, 4373778, 7289630, 10934445, 21868890]

約数ペア:

[(1, 21868890), (2, 10934445), (3, 7289630), (5, 4373778), (6, 3644815), (10, 2186889), (15, 1457926), (30, 728963), (113, 193530), (226, 96765), (339, 64510), (565, 38706), (678, 32255), (1130, 19353), (1695, 12902), (3390, 6451)]