21550139416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10905941}}^1$

素因数の和:10905979

約数の個数: 32

約数和(自身を含む): 45804956400

約数和(自身を除く): 24254816984

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 10905941, 21811882, 43623764, 87247528, 141777233, 207212879, 283554466, 414425758, 567108932, 828851516, 1134217864, 1657703032, 2693767427, 5387534854, 10775069708, 21550139416]

約数ペア:

[(1, 21550139416), (2, 10775069708), (4, 5387534854), (8, 2693767427), (13, 1657703032), (19, 1134217864), (26, 828851516), (38, 567108932), (52, 414425758), (76, 283554466), (104, 207212879), (152, 141777233), (247, 87247528), (494, 43623764), (988, 21811882), (1976, 10905941)]