1821364930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{21701}}^1$

素因数の和:21835

約数の個数: 64

約数和(自身を含む): 4125116160

約数和(自身を除く): 2303751230

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 109, 110, 154, 218, 385, 545, 763, 770, 1090, 1199, 1526, 2398, 3815, 5995, 7630, 8393, 11990, 16786, 21701, 41965, 43402, 83930, 108505, 151907, 217010, 238711, 303814, 477422, 759535, 1193555, 1519070, 1670977, 2365409, 2387110, 3341954, 4730818, 8354885, 11827045, 16557863, 16709770, 23654090, 26019499, 33115726, 52038998, 82789315, 130097495, 165578630, 182136493, 260194990, 364272986, 910682465, 1821364930]

約数ペア:

[(1, 1821364930), (2, 910682465), (5, 364272986), (7, 260194990), (10, 182136493), (11, 165578630), (14, 130097495), (22, 82789315), (35, 52038998), (55, 33115726), (70, 26019499), (77, 23654090), (109, 16709770), (110, 16557863), (154, 11827045), (218, 8354885), (385, 4730818), (545, 3341954), (763, 2387110), (770, 2365409), (1090, 1670977), (1199, 1519070), (1526, 1193555), (2398, 759535), (3815, 477422), (5995, 303814), (7630, 238711), (8393, 217010), (11990, 151907), (16786, 108505), (21701, 83930), (41965, 43402)]