21290048

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{25589}}^1$

素因数の和:25614

約数の個数: 28

約数和(自身を含む): 45499020

約数和(自身を除く): 24208972

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 25589, 51178, 102356, 204712, 332657, 409424, 665314, 818848, 1330628, 1637696, 2661256, 5322512, 10645024, 21290048]

約数ペア:

[(1, 21290048), (2, 10645024), (4, 5322512), (8, 2661256), (13, 1637696), (16, 1330628), (26, 818848), (32, 665314), (52, 409424), (64, 332657), (104, 204712), (208, 102356), (416, 51178), (832, 25589)]