21918026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{709}}^1$

素因数の和:794

約数の個数: 32

約数和(自身を含む): 37573200

約数和(自身を除く): 15655174

約数列:

[1, 2, 13, 26, 29, 41, 58, 82, 377, 533, 709, 754, 1066, 1189, 1418, 2378, 9217, 15457, 18434, 20561, 29069, 30914, 41122, 58138, 267293, 377897, 534586, 755794, 843001, 1686002, 10959013, 21918026]

約数ペア:

[(1, 21918026), (2, 10959013), (13, 1686002), (26, 843001), (29, 755794), (41, 534586), (58, 377897), (82, 267293), (377, 58138), (533, 41122), (709, 30914), (754, 29069), (1066, 20561), (1189, 18434), (1418, 15457), (2378, 9217)]