21497465590

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{29448583}}^1$

素因数の和:29448663

約数の個数: 16

約数和(自身を含む): 39225513888

約数和(自身を除く): 17728048298

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 29448583, 58897166, 147242915, 294485830, 2149746559, 4299493118, 10748732795, 21497465590]

約数ペア:

[(1, 21497465590), (2, 10748732795), (5, 4299493118), (10, 2149746559), (73, 294485830), (146, 147242915), (365, 58897166), (730, 29448583)]