21734865

素因数分解:

$3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1229}}^1$

素因数の和:1374

約数の個数: 32

約数和(自身を含む): 38966400

約数和(自身を除く): 17231535

約数列:

[1, 3, 5, 9, 15, 27, 45, 131, 135, 393, 655, 1179, 1229, 1965, 3537, 3687, 5895, 6145, 11061, 17685, 18435, 33183, 55305, 160999, 165915, 482997, 804995, 1448991, 2414985, 4346973, 7244955, 21734865]

約数ペア:

[(1, 21734865), (3, 7244955), (5, 4346973), (9, 2414985), (15, 1448991), (27, 804995), (45, 482997), (131, 165915), (135, 160999), (393, 55305), (655, 33183), (1179, 18435), (1229, 17685), (1965, 11061), (3537, 6145), (3687, 5895)]