21483904

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12911}}^1$

素因数の和:12938

約数の個数: 32

約数和(自身を含む): 46095840

約数和(自身を除く): 24611936

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12911, 25822, 51644, 103288, 167843, 206576, 335686, 413152, 671372, 826304, 1342744, 1652608, 2685488, 5370976, 10741952, 21483904]

約数ペア:

[(1, 21483904), (2, 10741952), (4, 5370976), (8, 2685488), (13, 1652608), (16, 1342744), (26, 826304), (32, 671372), (52, 413152), (64, 335686), (104, 206576), (128, 167843), (208, 103288), (416, 51644), (832, 25822), (1664, 12911)]