21444395

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1567}}^1$

素因数の和:1619

約数の個数: 32

約数和(自身を含む): 32514048

約数和(自身を除く): 11069653

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 595, 805, 1567, 1955, 2737, 7835, 10969, 13685, 26639, 36041, 54845, 133195, 180205, 186473, 252287, 612697, 932365, 1261435, 3063485, 4288879, 21444395]

約数ペア:

[(1, 21444395), (5, 4288879), (7, 3063485), (17, 1261435), (23, 932365), (35, 612697), (85, 252287), (115, 186473), (119, 180205), (161, 133195), (391, 54845), (595, 36041), (805, 26639), (1567, 13685), (1955, 10969), (2737, 7835)]