21821890

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1\times {\mathrm{179}}^1$

素因数の和:426

約数の個数: 32

約数和(自身を含む): 40279680

約数和(自身を除く): 18457790

約数列:

[1, 2, 5, 10, 73, 146, 167, 179, 334, 358, 365, 730, 835, 895, 1670, 1790, 12191, 13067, 24382, 26134, 29893, 59786, 60955, 65335, 121910, 130670, 149465, 298930, 2182189, 4364378, 10910945, 21821890]

約数ペア:

[(1, 21821890), (2, 10910945), (5, 4364378), (10, 2182189), (73, 298930), (146, 149465), (167, 130670), (179, 121910), (334, 65335), (358, 60955), (365, 59786), (730, 29893), (835, 26134), (895, 24382), (1670, 13067), (1790, 12191)]