21921806

素因数分解:

$2^1\times {\mathrm{17}}^3\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 32

約数和(自身を含む): 36832320

約数和(自身を除く): 14910514

約数列:

[1, 2, 17, 23, 34, 46, 97, 194, 289, 391, 578, 782, 1649, 2231, 3298, 4462, 4913, 6647, 9826, 13294, 28033, 37927, 56066, 75854, 112999, 225998, 476561, 644759, 953122, 1289518, 10960903, 21921806]

約数ペア:

[(1, 21921806), (2, 10960903), (17, 1289518), (23, 953122), (34, 644759), (46, 476561), (97, 225998), (194, 112999), (289, 75854), (391, 56066), (578, 37927), (782, 28033), (1649, 13294), (2231, 9826), (3298, 6647), (4462, 4913)]