21244875

素因数分解:

$3^1\times 5^3\times {\mathrm{181}}^1\times {\mathrm{313}}^1$

素因数の和:512

約数の個数: 32

約数和(自身を含む): 35660352

約数和(自身を除く): 14415477

約数列:

[1, 3, 5, 15, 25, 75, 125, 181, 313, 375, 543, 905, 939, 1565, 2715, 4525, 4695, 7825, 13575, 22625, 23475, 39125, 56653, 67875, 117375, 169959, 283265, 849795, 1416325, 4248975, 7081625, 21244875]

約数ペア:

[(1, 21244875), (3, 7081625), (5, 4248975), (15, 1416325), (25, 849795), (75, 283265), (125, 169959), (181, 117375), (313, 67875), (375, 56653), (543, 39125), (905, 23475), (939, 22625), (1565, 13575), (2715, 7825), (4525, 4695)]