21640975260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2840023}}^1$

素因数の和:2840162

約数の個数: 48

約数和(自身を含む): 61071876096

約数和(自身を除く): 39430900836

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 3810, 7620, 2840023, 5680046, 8520069, 11360092, 14200115, 17040138, 28400230, 34080276, 42600345, 56800460, 85200690, 170401380, 360682921, 721365842, 1082048763, 1442731684, 1803414605, 2164097526, 3606829210, 4328195052, 5410243815, 7213658420, 10820487630, 21640975260]

約数ペア:

[(1, 21640975260), (2, 10820487630), (3, 7213658420), (4, 5410243815), (5, 4328195052), (6, 3606829210), (10, 2164097526), (12, 1803414605), (15, 1442731684), (20, 1082048763), (30, 721365842), (60, 360682921), (127, 170401380), (254, 85200690), (381, 56800460), (508, 42600345), (635, 34080276), (762, 28400230), (1270, 17040138), (1524, 14200115), (1905, 11360092), (2540, 8520069), (3810, 5680046), (7620, 2840023)]