21175098

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{631}}^1$

素因数の和:707

約数の個数: 64

約数和(自身を含む): 52420608

約数和(自身を除く): 31245510

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 47, 51, 94, 102, 119, 141, 238, 282, 329, 357, 631, 658, 714, 799, 987, 1262, 1598, 1893, 1974, 2397, 3786, 4417, 4794, 5593, 8834, 10727, 11186, 13251, 16779, 21454, 26502, 29657, 32181, 33558, 59314, 64362, 75089, 88971, 150178, 177942, 207599, 225267, 415198, 450534, 504169, 622797, 1008338, 1245594, 1512507, 3025014, 3529183, 7058366, 10587549, 21175098]

約数ペア:

[(1, 21175098), (2, 10587549), (3, 7058366), (6, 3529183), (7, 3025014), (14, 1512507), (17, 1245594), (21, 1008338), (34, 622797), (42, 504169), (47, 450534), (51, 415198), (94, 225267), (102, 207599), (119, 177942), (141, 150178), (238, 88971), (282, 75089), (329, 64362), (357, 59314), (631, 33558), (658, 32181), (714, 29657), (799, 26502), (987, 21454), (1262, 16779), (1598, 13251), (1893, 11186), (1974, 10727), (2397, 8834), (3786, 5593), (4417, 4794)]