21208576

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{1801}}^1$

素因数の和:1842

約数の個数: 40

約数和(自身を含む): 44242704

約数和(自身を除く): 23034128

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 512, 736, 1472, 1801, 2944, 3602, 5888, 7204, 11776, 14408, 28816, 41423, 57632, 82846, 115264, 165692, 230528, 331384, 461056, 662768, 922112, 1325536, 2651072, 5302144, 10604288, 21208576]

約数ペア:

[(1, 21208576), (2, 10604288), (4, 5302144), (8, 2651072), (16, 1325536), (23, 922112), (32, 662768), (46, 461056), (64, 331384), (92, 230528), (128, 165692), (184, 115264), (256, 82846), (368, 57632), (512, 41423), (736, 28816), (1472, 14408), (1801, 11776), (2944, 7204), (3602, 5888)]