21304410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13399}}^1$

素因数の和:13462

約数の個数: 32

約数和(自身を含む): 52099200

約数和(自身を除く): 30794790

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 13399, 26798, 40197, 66995, 80394, 133990, 200985, 401970, 710147, 1420294, 2130441, 3550735, 4260882, 7101470, 10652205, 21304410]

約数ペア:

[(1, 21304410), (2, 10652205), (3, 7101470), (5, 4260882), (6, 3550735), (10, 2130441), (15, 1420294), (30, 710147), (53, 401970), (106, 200985), (159, 133990), (265, 80394), (318, 66995), (530, 40197), (795, 26798), (1590, 13399)]