21741460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83621}}^1$

素因数の和:83643

約数の個数: 24

約数和(自身を含む): 49169736

約数和(自身を除く): 27428276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 83621, 167242, 334484, 418105, 836210, 1087073, 1672420, 2174146, 4348292, 5435365, 10870730, 21741460]

約数ペア:

[(1, 21741460), (2, 10870730), (4, 5435365), (5, 4348292), (10, 2174146), (13, 1672420), (20, 1087073), (26, 836210), (52, 418105), (65, 334484), (130, 167242), (260, 83621)]