21836985

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 37061760

約数和(自身を除く): 15224775

約数列:

[1, 3, 5, 15, 19, 57, 95, 193, 285, 397, 579, 965, 1191, 1985, 2895, 3667, 5955, 7543, 11001, 18335, 22629, 37715, 55005, 76621, 113145, 229863, 383105, 1149315, 1455799, 4367397, 7278995, 21836985]

約数ペア:

[(1, 21836985), (3, 7278995), (5, 4367397), (15, 1455799), (19, 1149315), (57, 383105), (95, 229863), (193, 113145), (285, 76621), (397, 55005), (579, 37715), (965, 22629), (1191, 18335), (1985, 11001), (2895, 7543), (3667, 5955)]