21241725

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{4643}}^1$

素因数の和:4717

約数の個数: 24

約数和(自身を含む): 35703072

約数和(自身を除く): 14461347

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 915, 1525, 4575, 4643, 13929, 23215, 69645, 116075, 283223, 348225, 849669, 1416115, 4248345, 7080575, 21241725]

約数ペア:

[(1, 21241725), (3, 7080575), (5, 4248345), (15, 1416115), (25, 849669), (61, 348225), (75, 283223), (183, 116075), (305, 69645), (915, 23215), (1525, 13929), (4575, 4643)]