21103719

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3361}}^1$

素因数の和:3407

約数の個数: 32

約数和(自身を含む): 36148224

約数和(自身を除く): 15044505

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 2093, 3361, 6279, 10083, 23527, 43693, 70581, 77303, 131079, 231909, 305851, 541121, 917553, 1004939, 1623363, 3014817, 7034573, 21103719]

約数ペア:

[(1, 21103719), (3, 7034573), (7, 3014817), (13, 1623363), (21, 1004939), (23, 917553), (39, 541121), (69, 305851), (91, 231909), (161, 131079), (273, 77303), (299, 70581), (483, 43693), (897, 23527), (2093, 10083), (3361, 6279)]