21087822

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{8231}}^1$

素因数の和:8304

約数の個数: 32

約数和(自身を含む): 48996864

約数和(自身を除く): 27909042

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 183, 366, 427, 854, 1281, 2562, 8231, 16462, 24693, 49386, 57617, 115234, 172851, 345702, 502091, 1004182, 1506273, 3012546, 3514637, 7029274, 10543911, 21087822]

約数ペア:

[(1, 21087822), (2, 10543911), (3, 7029274), (6, 3514637), (7, 3012546), (14, 1506273), (21, 1004182), (42, 502091), (61, 345702), (122, 172851), (183, 115234), (366, 57617), (427, 49386), (854, 24693), (1281, 16462), (2562, 8231)]