21086562

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{4219}}^1$

素因数の和:4255

約数の個数: 48

約数和(自身を含む): 51956640

約数和(自身を除く): 30870078

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 49, 51, 98, 102, 119, 147, 238, 294, 357, 714, 833, 1666, 2499, 4219, 4998, 8438, 12657, 25314, 29533, 59066, 71723, 88599, 143446, 177198, 206731, 215169, 413462, 430338, 502061, 620193, 1004122, 1240386, 1506183, 3012366, 3514427, 7028854, 10543281, 21086562]

約数ペア:

[(1, 21086562), (2, 10543281), (3, 7028854), (6, 3514427), (7, 3012366), (14, 1506183), (17, 1240386), (21, 1004122), (34, 620193), (42, 502061), (49, 430338), (51, 413462), (98, 215169), (102, 206731), (119, 177198), (147, 143446), (238, 88599), (294, 71723), (357, 59066), (714, 29533), (833, 25314), (1666, 12657), (2499, 8438), (4219, 4998)]