21862770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 54345600

約数和(自身を除く): 32482830

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 73, 134, 146, 149, 201, 219, 298, 335, 365, 402, 438, 447, 670, 730, 745, 894, 1005, 1095, 1490, 2010, 2190, 2235, 4470, 4891, 9782, 9983, 10877, 14673, 19966, 21754, 24455, 29346, 29949, 32631, 48910, 49915, 54385, 59898, 65262, 73365, 99830, 108770, 146730, 149745, 163155, 299490, 326310, 728759, 1457518, 2186277, 3643795, 4372554, 7287590, 10931385, 21862770]

約数ペア:

[(1, 21862770), (2, 10931385), (3, 7287590), (5, 4372554), (6, 3643795), (10, 2186277), (15, 1457518), (30, 728759), (67, 326310), (73, 299490), (134, 163155), (146, 149745), (149, 146730), (201, 108770), (219, 99830), (298, 73365), (335, 65262), (365, 59898), (402, 54385), (438, 49915), (447, 48910), (670, 32631), (730, 29949), (745, 29346), (894, 24455), (1005, 21754), (1095, 19966), (1490, 14673), (2010, 10877), (2190, 9983), (2235, 9782), (4470, 4891)]