21345044

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 44782080

約数和(自身を除く): 23437036

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 97, 116, 194, 203, 271, 388, 406, 542, 679, 812, 1084, 1358, 1897, 2716, 2813, 3794, 5626, 7588, 7859, 11252, 15718, 19691, 26287, 31436, 39382, 52574, 55013, 78764, 105148, 110026, 184009, 220052, 368018, 736036, 762323, 1524646, 3049292, 5336261, 10672522, 21345044]

約数ペア:

[(1, 21345044), (2, 10672522), (4, 5336261), (7, 3049292), (14, 1524646), (28, 762323), (29, 736036), (58, 368018), (97, 220052), (116, 184009), (194, 110026), (203, 105148), (271, 78764), (388, 55013), (406, 52574), (542, 39382), (679, 31436), (812, 26287), (1084, 19691), (1358, 15718), (1897, 11252), (2716, 7859), (2813, 7588), (3794, 5626)]