21133216

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1373}}^1$

素因数の和:1433

約数の個数: 48

約数和(自身を含む): 46050984

約数和(自身を除く): 24917768

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 74, 104, 148, 208, 296, 416, 481, 592, 962, 1184, 1373, 1924, 2746, 3848, 5492, 7696, 10984, 15392, 17849, 21968, 35698, 43936, 50801, 71396, 101602, 142792, 203204, 285584, 406408, 571168, 660413, 812816, 1320826, 1625632, 2641652, 5283304, 10566608, 21133216]

約数ペア:

[(1, 21133216), (2, 10566608), (4, 5283304), (8, 2641652), (13, 1625632), (16, 1320826), (26, 812816), (32, 660413), (37, 571168), (52, 406408), (74, 285584), (104, 203204), (148, 142792), (208, 101602), (296, 71396), (416, 50801), (481, 43936), (592, 35698), (962, 21968), (1184, 17849), (1373, 15392), (1924, 10984), (2746, 7696), (3848, 5492)]