21502943

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{16427}}^1$

素因数の和:16462

約数の個数: 16

約数和(自身を含む): 28387584

約数和(自身を除く): 6884641

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 16427, 114989, 180697, 279259, 1264879, 1954813, 3071849, 21502943]

約数ペア:

[(1, 21502943), (7, 3071849), (11, 1954813), (17, 1264879), (77, 279259), (119, 180697), (187, 114989), (1309, 16427)]