21962325

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3803}}^1$

素因数の和:3834

約数の個数: 48

約数和(自身を含む): 45282816

約数和(自身を除く): 23320491

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 165, 175, 231, 275, 385, 525, 825, 1155, 1925, 3803, 5775, 11409, 19015, 26621, 41833, 57045, 79863, 95075, 125499, 133105, 209165, 285225, 292831, 399315, 627495, 665525, 878493, 1045825, 1464155, 1996575, 3137475, 4392465, 7320775, 21962325]

約数ペア:

[(1, 21962325), (3, 7320775), (5, 4392465), (7, 3137475), (11, 1996575), (15, 1464155), (21, 1045825), (25, 878493), (33, 665525), (35, 627495), (55, 399315), (75, 292831), (77, 285225), (105, 209165), (165, 133105), (175, 125499), (231, 95075), (275, 79863), (385, 57045), (525, 41833), (825, 26621), (1155, 19015), (1925, 11409), (3803, 5775)]