21168910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17789}}^1$

素因数の和:17820

約数の個数: 32

約数和(自身を含む): 46111680

約数和(自身を除く): 24942770

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 17789, 35578, 88945, 124523, 177890, 249046, 302413, 604826, 622615, 1245230, 1512065, 2116891, 3024130, 4233782, 10584455, 21168910]

約数ペア:

[(1, 21168910), (2, 10584455), (5, 4233782), (7, 3024130), (10, 2116891), (14, 1512065), (17, 1245230), (34, 622615), (35, 604826), (70, 302413), (85, 249046), (119, 177890), (170, 124523), (238, 88945), (595, 35578), (1190, 17789)]