21439744

素因数分解:

$2^8\times {\mathrm{89}}^1\times {\mathrm{941}}^1$

素因数の和:1046

約数の個数: 36

約数和(自身を含む): 43322580

約数和(自身を除く): 21882836

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 256, 356, 712, 941, 1424, 1882, 2848, 3764, 5696, 7528, 11392, 15056, 22784, 30112, 60224, 83749, 120448, 167498, 240896, 334996, 669992, 1339984, 2679968, 5359936, 10719872, 21439744]

約数ペア:

[(1, 21439744), (2, 10719872), (4, 5359936), (8, 2679968), (16, 1339984), (32, 669992), (64, 334996), (89, 240896), (128, 167498), (178, 120448), (256, 83749), (356, 60224), (712, 30112), (941, 22784), (1424, 15056), (1882, 11392), (2848, 7528), (3764, 5696)]