21291279556

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{29717}}^1$

素因数の和:29908

約数の個数: 48

約数和(自身を含む): 39461700096

約数和(自身を除く): 18170420540

約数列:

[1, 2, 4, 37, 47, 74, 94, 103, 148, 188, 206, 412, 1739, 3478, 3811, 4841, 6956, 7622, 9682, 15244, 19364, 29717, 59434, 118868, 179117, 358234, 716468, 1099529, 1396699, 2199058, 2793398, 3060851, 4398116, 5586796, 6121702, 12243404, 51677863, 103355726, 113251487, 143859997, 206711452, 226502974, 287719994, 453005948, 575439988, 5322819889, 10645639778, 21291279556]

約数ペア:

[(1, 21291279556), (2, 10645639778), (4, 5322819889), (37, 575439988), (47, 453005948), (74, 287719994), (94, 226502974), (103, 206711452), (148, 143859997), (188, 113251487), (206, 103355726), (412, 51677863), (1739, 12243404), (3478, 6121702), (3811, 5586796), (4841, 4398116), (6956, 3060851), (7622, 2793398), (9682, 2199058), (15244, 1396699), (19364, 1099529), (29717, 716468), (59434, 358234), (118868, 179117)]