21708030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{723601}}^1$

素因数の和:723611

約数の個数: 16

約数和(自身を含む): 52099344

約数和(自身を除く): 30391314

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 723601, 1447202, 2170803, 3618005, 4341606, 7236010, 10854015, 21708030]

約数ペア:

[(1, 21708030), (2, 10854015), (3, 7236010), (5, 4341606), (6, 3618005), (10, 2170803), (15, 1447202), (30, 723601)]