21644090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{503}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 42166656

約数和(自身を除く): 20522566

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 331, 503, 662, 1006, 1655, 2515, 3310, 4303, 5030, 6539, 8606, 13078, 21515, 32695, 43030, 65390, 166493, 332986, 832465, 1664930, 2164409, 4328818, 10822045, 21644090]

約数ペア:

[(1, 21644090), (2, 10822045), (5, 4328818), (10, 2164409), (13, 1664930), (26, 832465), (65, 332986), (130, 166493), (331, 65390), (503, 43030), (662, 32695), (1006, 21515), (1655, 13078), (2515, 8606), (3310, 6539), (4303, 5030)]