21549778

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:282

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 13908782

約数列:

[1, 2, 17, 34, 71, 79, 113, 142, 158, 226, 1207, 1343, 1921, 2414, 2686, 3842, 5609, 8023, 8927, 11218, 16046, 17854, 95353, 136391, 151759, 190706, 272782, 303518, 633817, 1267634, 10774889, 21549778]

約数ペア:

[(1, 21549778), (2, 10774889), (17, 1267634), (34, 633817), (71, 303518), (79, 272782), (113, 190706), (142, 151759), (158, 136391), (226, 95353), (1207, 17854), (1343, 16046), (1921, 11218), (2414, 8927), (2686, 8023), (3842, 5609)]