21438030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{714601}}^1$

素因数の和:714611

約数の個数: 16

約数和(自身を含む): 51451344

約数和(自身を除く): 30013314

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 714601, 1429202, 2143803, 3573005, 4287606, 7146010, 10719015, 21438030]

約数ペア:

[(1, 21438030), (2, 10719015), (3, 7146010), (5, 4287606), (6, 3573005), (10, 2143803), (15, 1429202), (30, 714601)]