21335816

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2659}}^1$

素因数の和:2741

約数の個数: 32

約数和(自身を含む): 43092000

約数和(自身を除く): 21756184

約数列:

[1, 2, 4, 8, 17, 34, 59, 68, 118, 136, 236, 472, 1003, 2006, 2659, 4012, 5318, 8024, 10636, 21272, 45203, 90406, 156881, 180812, 313762, 361624, 627524, 1255048, 2666977, 5333954, 10667908, 21335816]

約数ペア:

[(1, 21335816), (2, 10667908), (4, 5333954), (8, 2666977), (17, 1255048), (34, 627524), (59, 361624), (68, 313762), (118, 180812), (136, 156881), (236, 90406), (472, 45203), (1003, 21272), (2006, 10636), (2659, 8024), (4012, 5318)]