21886570

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2213}}^1$

素因数の和:2286

約数の個数: 32

約数和(自身を含む): 42083712

約数和(自身を除く): 20197142

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 2213, 4426, 4945, 9890, 11065, 22130, 50899, 95159, 101798, 190318, 254495, 475795, 508990, 951590, 2188657, 4377314, 10943285, 21886570]

約数ペア:

[(1, 21886570), (2, 10943285), (5, 4377314), (10, 2188657), (23, 951590), (43, 508990), (46, 475795), (86, 254495), (115, 190318), (215, 101798), (230, 95159), (430, 50899), (989, 22130), (1978, 11065), (2213, 9890), (4426, 4945)]