21384328

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{5231}}^1$

素因数の和:5317

約数の個数: 32

約数和(自身を含む): 46460160

約数和(自身を除く): 25075832

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 5231, 10462, 20924, 36617, 41848, 73234, 146468, 292936, 381863, 763726, 1527452, 2673041, 3054904, 5346082, 10692164, 21384328]

約数ペア:

[(1, 21384328), (2, 10692164), (4, 5346082), (7, 3054904), (8, 2673041), (14, 1527452), (28, 763726), (56, 381863), (73, 292936), (146, 146468), (292, 73234), (511, 41848), (584, 36617), (1022, 20924), (2044, 10462), (4088, 5231)]