21837512

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{613}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 42255480

約数和(自身を除く): 20417968

約数列:

[1, 2, 4, 8, 61, 73, 122, 146, 244, 292, 488, 584, 613, 1226, 2452, 4453, 4904, 8906, 17812, 35624, 37393, 44749, 74786, 89498, 149572, 178996, 299144, 357992, 2729689, 5459378, 10918756, 21837512]

約数ペア:

[(1, 21837512), (2, 10918756), (4, 5459378), (8, 2729689), (61, 357992), (73, 299144), (122, 178996), (146, 149572), (244, 89498), (292, 74786), (488, 44749), (584, 37393), (613, 35624), (1226, 17812), (2452, 8906), (4453, 4904)]