21192703

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{619}}^1$

素因数の和:766

約数の個数: 16

約数和(自身を含む): 24958720

約数和(自身を除く): 3766017

約数列:

[1, 7, 67, 73, 469, 511, 619, 4333, 4891, 34237, 41473, 45187, 290311, 316309, 3027529, 21192703]

約数ペア:

[(1, 21192703), (7, 3027529), (67, 316309), (73, 290311), (469, 45187), (511, 41473), (619, 34237), (4333, 4891)]