21544928

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:507

約数の個数: 48

約数和(自身を含む): 44978976

約数和(自身を除く): 23434048

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 73, 92, 146, 184, 292, 368, 401, 584, 736, 802, 1168, 1604, 1679, 2336, 3208, 3358, 6416, 6716, 9223, 12832, 13432, 18446, 26864, 29273, 36892, 53728, 58546, 73784, 117092, 147568, 234184, 295136, 468368, 673279, 936736, 1346558, 2693116, 5386232, 10772464, 21544928]

約数ペア:

[(1, 21544928), (2, 10772464), (4, 5386232), (8, 2693116), (16, 1346558), (23, 936736), (32, 673279), (46, 468368), (73, 295136), (92, 234184), (146, 147568), (184, 117092), (292, 73784), (368, 58546), (401, 53728), (584, 36892), (736, 29273), (802, 26864), (1168, 18446), (1604, 13432), (1679, 12832), (2336, 9223), (3208, 6716), (3358, 6416)]