21222664

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{5381}}^1$

素因数の和:5433

約数の個数: 32

約数和(自身を含む): 43594200

約数和(自身を除く): 22371536

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 68, 116, 136, 232, 493, 986, 1972, 3944, 5381, 10762, 21524, 43048, 91477, 156049, 182954, 312098, 365908, 624196, 731816, 1248392, 2652833, 5305666, 10611332, 21222664]

約数ペア:

[(1, 21222664), (2, 10611332), (4, 5305666), (8, 2652833), (17, 1248392), (29, 731816), (34, 624196), (58, 365908), (68, 312098), (116, 182954), (136, 156049), (232, 91477), (493, 43048), (986, 21524), (1972, 10762), (3944, 5381)]