21982150

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{10723}}^1$

素因数の和:10776

約数の個数: 24

約数和(自身を含む): 41887944

約数和(自身を除く): 19905794

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 10723, 21446, 53615, 107230, 268075, 439643, 536150, 879286, 2198215, 4396430, 10991075, 21982150]

約数ペア:

[(1, 21982150), (2, 10991075), (5, 4396430), (10, 2198215), (25, 879286), (41, 536150), (50, 439643), (82, 268075), (205, 107230), (410, 53615), (1025, 21446), (2050, 10723)]