21630966

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{8443}}^1$

素因数の和:8516

約数の個数: 32

約数和(自身を含む): 50258688

約数和(自身を除く): 28627722

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 183, 366, 427, 854, 1281, 2562, 8443, 16886, 25329, 50658, 59101, 118202, 177303, 354606, 515023, 1030046, 1545069, 3090138, 3605161, 7210322, 10815483, 21630966]

約数ペア:

[(1, 21630966), (2, 10815483), (3, 7210322), (6, 3605161), (7, 3090138), (14, 1545069), (21, 1030046), (42, 515023), (61, 354606), (122, 177303), (183, 118202), (366, 59101), (427, 50658), (854, 25329), (1281, 16886), (2562, 8443)]