21901710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1663}}^1$

素因数の和:2112

約数の個数: 32

約数和(自身を含む): 52715520

約数和(自身を除く): 30813810

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 439, 878, 1317, 1663, 2195, 2634, 3326, 4390, 4989, 6585, 8315, 9978, 13170, 16630, 24945, 49890, 730057, 1460114, 2190171, 3650285, 4380342, 7300570, 10950855, 21901710]

約数ペア:

[(1, 21901710), (2, 10950855), (3, 7300570), (5, 4380342), (6, 3650285), (10, 2190171), (15, 1460114), (30, 730057), (439, 49890), (878, 24945), (1317, 16630), (1663, 13170), (2195, 9978), (2634, 8315), (3326, 6585), (4390, 4989)]