21361574

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:776

約数の個数: 32

約数和(自身を含む): 36620640

約数和(自身を除く): 15259066

約数列:

[1, 2, 13, 26, 29, 41, 58, 82, 377, 533, 691, 754, 1066, 1189, 1382, 2378, 8983, 15457, 17966, 20039, 28331, 30914, 40078, 56662, 260507, 368303, 521014, 736606, 821599, 1643198, 10680787, 21361574]

約数ペア:

[(1, 21361574), (2, 10680787), (13, 1643198), (26, 821599), (29, 736606), (41, 521014), (58, 368303), (82, 260507), (377, 56662), (533, 40078), (691, 30914), (754, 28331), (1066, 20039), (1189, 17966), (1382, 15457), (2378, 8983)]