21230147248

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{25035551}}^1$

素因数の和:25035612

約数の個数: 20

約数和(自身を含む): 41909514048

約数和(自身を除く): 20679366800

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 25035551, 50071102, 100142204, 200284408, 400568816, 1326884203, 2653768406, 5307536812, 10615073624, 21230147248]

約数ペア:

[(1, 21230147248), (2, 10615073624), (4, 5307536812), (8, 2653768406), (16, 1326884203), (53, 400568816), (106, 200284408), (212, 100142204), (424, 50071102), (848, 25035551)]