21489230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8297}}^1$

素因数の和:8348

約数の個数: 32

約数和(自身を含む): 45406656

約数和(自身を除く): 23917426

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 8297, 16594, 41485, 58079, 82970, 116158, 290395, 306989, 580790, 613978, 1534945, 2148923, 3069890, 4297846, 10744615, 21489230]

約数ペア:

[(1, 21489230), (2, 10744615), (5, 4297846), (7, 3069890), (10, 2148923), (14, 1534945), (35, 613978), (37, 580790), (70, 306989), (74, 290395), (185, 116158), (259, 82970), (370, 58079), (518, 41485), (1295, 16594), (2590, 8297)]