21776404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9739}}^1$

素因数の和:9799

約数の個数: 24

約数和(自身を含む): 41998880

約数和(自身を除く): 20222476

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 9739, 19478, 38956, 126607, 253214, 418777, 506428, 837554, 1675108, 5444101, 10888202, 21776404]

約数ペア:

[(1, 21776404), (2, 10888202), (4, 5444101), (13, 1675108), (26, 837554), (43, 506428), (52, 418777), (86, 253214), (172, 126607), (559, 38956), (1118, 19478), (2236, 9739)]