21912045

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{20011}}^1$

素因数の和:20092

約数の個数: 16

約数和(自身を含む): 35541312

約数和(自身を除く): 13629267

約数列:

[1, 3, 5, 15, 73, 219, 365, 1095, 20011, 60033, 100055, 300165, 1460803, 4382409, 7304015, 21912045]

約数ペア:

[(1, 21912045), (3, 7304015), (5, 4382409), (15, 1460803), (73, 300165), (219, 100055), (365, 60033), (1095, 20011)]