21012270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1951}}^1$

素因数の和:2320

約数の個数: 32

約数和(自身を含む): 50595840

約数和(自身を除く): 29583570

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 359, 718, 1077, 1795, 1951, 2154, 3590, 3902, 5385, 5853, 9755, 10770, 11706, 19510, 29265, 58530, 700409, 1400818, 2101227, 3502045, 4202454, 7004090, 10506135, 21012270]

約数ペア:

[(1, 21012270), (2, 10506135), (3, 7004090), (5, 4202454), (6, 3502045), (10, 2101227), (15, 1400818), (30, 700409), (359, 58530), (718, 29265), (1077, 19510), (1795, 11706), (1951, 10770), (2154, 9755), (3590, 5853), (3902, 5385)]