21696630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{723221}}^1$

素因数の和:723231

約数の個数: 16

約数和(自身を含む): 52071984

約数和(自身を除く): 30375354

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 723221, 1446442, 2169663, 3616105, 4339326, 7232210, 10848315, 21696630]

約数ペア:

[(1, 21696630), (2, 10848315), (3, 7232210), (5, 4339326), (6, 3616105), (10, 2169663), (15, 1446442), (30, 723221)]