21782646

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 49320960

約数和(自身を除く): 27538314

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 103, 186, 206, 279, 309, 379, 558, 618, 758, 927, 1137, 1854, 2274, 3193, 3411, 6386, 6822, 9579, 11749, 19158, 23498, 28737, 35247, 39037, 57474, 70494, 78074, 105741, 117111, 211482, 234222, 351333, 702666, 1210147, 2420294, 3630441, 7260882, 10891323, 21782646]

約数ペア:

[(1, 21782646), (2, 10891323), (3, 7260882), (6, 3630441), (9, 2420294), (18, 1210147), (31, 702666), (62, 351333), (93, 234222), (103, 211482), (186, 117111), (206, 105741), (279, 78074), (309, 70494), (379, 57474), (558, 39037), (618, 35247), (758, 28737), (927, 23498), (1137, 19158), (1854, 11749), (2274, 9579), (3193, 6822), (3411, 6386)]