21841408

素因数分解:

$2^9\times {\mathrm{29}}^1\times {\mathrm{1471}}^1$

素因数の和:1518

約数の個数: 40

約数和(自身を含む): 45175680

約数和(自身を除く): 23334272

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 464, 512, 928, 1471, 1856, 2942, 3712, 5884, 7424, 11768, 14848, 23536, 42659, 47072, 85318, 94144, 170636, 188288, 341272, 376576, 682544, 753152, 1365088, 2730176, 5460352, 10920704, 21841408]

約数ペア:

[(1, 21841408), (2, 10920704), (4, 5460352), (8, 2730176), (16, 1365088), (29, 753152), (32, 682544), (58, 376576), (64, 341272), (116, 188288), (128, 170636), (232, 94144), (256, 85318), (464, 47072), (512, 42659), (928, 23536), (1471, 14848), (1856, 11768), (2942, 7424), (3712, 5884)]