21304830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17321}}^1$

素因数の和:17372

約数の個数: 32

約数和(自身を含む): 52381728

約数和(自身を除く): 31076898

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 17321, 34642, 51963, 86605, 103926, 173210, 259815, 519630, 710161, 1420322, 2130483, 3550805, 4260966, 7101610, 10652415, 21304830]

約数ペア:

[(1, 21304830), (2, 10652415), (3, 7101610), (5, 4260966), (6, 3550805), (10, 2130483), (15, 1420322), (30, 710161), (41, 519630), (82, 259815), (123, 173210), (205, 103926), (246, 86605), (410, 51963), (615, 34642), (1230, 17321)]