21323490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13411}}^1$

素因数の和:13474

約数の個数: 32

約数和(自身を含む): 52145856

約数和(自身を除く): 30822366

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 13411, 26822, 40233, 67055, 80466, 134110, 201165, 402330, 710783, 1421566, 2132349, 3553915, 4264698, 7107830, 10661745, 21323490]

約数ペア:

[(1, 21323490), (2, 10661745), (3, 7107830), (5, 4264698), (6, 3553915), (10, 2132349), (15, 1421566), (30, 710783), (53, 402330), (106, 201165), (159, 134110), (265, 80466), (318, 67055), (530, 40233), (795, 26822), (1590, 13411)]