21263744

素因数分解:

$2^7\times {\mathrm{271}}^1\times {\mathrm{613}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 42587040

約数和(自身を除く): 21323296

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 271, 542, 613, 1084, 1226, 2168, 2452, 4336, 4904, 8672, 9808, 17344, 19616, 34688, 39232, 78464, 166123, 332246, 664492, 1328984, 2657968, 5315936, 10631872, 21263744]

約数ペア:

[(1, 21263744), (2, 10631872), (4, 5315936), (8, 2657968), (16, 1328984), (32, 664492), (64, 332246), (128, 166123), (271, 78464), (542, 39232), (613, 34688), (1084, 19616), (1226, 17344), (2168, 9808), (2452, 8672), (4336, 4904)]