21000955956

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{33020371}}^1$

素因数の和:33020431

約数の個数: 24

約数和(自身を含む): 49926802464

約数和(自身を除く): 28925846508

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636, 33020371, 66040742, 99061113, 132081484, 198122226, 396244452, 1750079663, 3500159326, 5250238989, 7000318652, 10500477978, 21000955956]

約数ペア:

[(1, 21000955956), (2, 10500477978), (3, 7000318652), (4, 5250238989), (6, 3500159326), (12, 1750079663), (53, 396244452), (106, 198122226), (159, 132081484), (212, 99061113), (318, 66040742), (636, 33020371)]