21803669146

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2644151}}^1$

素因数の和:2644210

約数の個数: 32

約数和(自身を含む): 40614174720

約数和(自身を除く): 18810505574

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 133, 217, 266, 434, 589, 1178, 4123, 8246, 2644151, 5288302, 18509057, 37018114, 50238869, 81968681, 100477738, 163937362, 351672083, 573780767, 703344166, 1147561534, 1557404939, 3114809878, 10901834573, 21803669146]

約数ペア:

[(1, 21803669146), (2, 10901834573), (7, 3114809878), (14, 1557404939), (19, 1147561534), (31, 703344166), (38, 573780767), (62, 351672083), (133, 163937362), (217, 100477738), (266, 81968681), (434, 50238869), (589, 37018114), (1178, 18509057), (4123, 5288302), (8246, 2644151)]