21291210712

素因数分解:

$2^3\times {\mathrm{569}}^1\times {\mathrm{4677331}}^1$

素因数の和:4677906

約数の個数: 16

約数和(自身を含む): 39991188600

約数和(自身を除く): 18699977888

約数列:

[1, 2, 4, 8, 569, 1138, 2276, 4552, 4677331, 9354662, 18709324, 37418648, 2661401339, 5322802678, 10645605356, 21291210712]

約数ペア:

[(1, 21291210712), (2, 10645605356), (4, 5322802678), (8, 2661401339), (569, 37418648), (1138, 18709324), (2276, 9354662), (4552, 4677331)]