21926220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5147}}^1$

素因数の和:5230

約数の個数: 48

約数和(自身を含む): 62270208

約数和(自身を除く): 40343988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 5147, 10294, 15441, 20588, 25735, 30882, 51470, 61764, 77205, 102940, 154410, 308820, 365437, 730874, 1096311, 1461748, 1827185, 2192622, 3654370, 4385244, 5481555, 7308740, 10963110, 21926220]

約数ペア:

[(1, 21926220), (2, 10963110), (3, 7308740), (4, 5481555), (5, 4385244), (6, 3654370), (10, 2192622), (12, 1827185), (15, 1461748), (20, 1096311), (30, 730874), (60, 365437), (71, 308820), (142, 154410), (213, 102940), (284, 77205), (355, 61764), (426, 51470), (710, 30882), (852, 25735), (1065, 20588), (1420, 15441), (2130, 10294), (4260, 5147)]