21212898

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3217}}^1$

素因数の和:3386

約数の個数: 32

約数和(自身を含む): 48810624

約数和(自身を除く): 27597726

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 157, 314, 471, 942, 1099, 2198, 3217, 3297, 6434, 6594, 9651, 19302, 22519, 45038, 67557, 135114, 505069, 1010138, 1515207, 3030414, 3535483, 7070966, 10606449, 21212898]

約数ペア:

[(1, 21212898), (2, 10606449), (3, 7070966), (6, 3535483), (7, 3030414), (14, 1515207), (21, 1010138), (42, 505069), (157, 135114), (314, 67557), (471, 45038), (942, 22519), (1099, 19302), (2198, 9651), (3217, 6594), (3297, 6434)]