21504474

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 50342400

約数和(自身を除く): 28837926

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 47, 54, 74, 94, 111, 141, 222, 229, 282, 333, 423, 458, 666, 687, 846, 999, 1269, 1374, 1739, 1998, 2061, 2538, 3478, 4122, 5217, 6183, 8473, 10434, 10763, 12366, 15651, 16946, 21526, 25419, 31302, 32289, 46953, 50838, 64578, 76257, 93906, 96867, 152514, 193734, 228771, 290601, 398231, 457542, 581202, 796462, 1194693, 2389386, 3584079, 7168158, 10752237, 21504474]

約数ペア:

[(1, 21504474), (2, 10752237), (3, 7168158), (6, 3584079), (9, 2389386), (18, 1194693), (27, 796462), (37, 581202), (47, 457542), (54, 398231), (74, 290601), (94, 228771), (111, 193734), (141, 152514), (222, 96867), (229, 93906), (282, 76257), (333, 64578), (423, 50838), (458, 46953), (666, 32289), (687, 31302), (846, 25419), (999, 21526), (1269, 16946), (1374, 15651), (1739, 12366), (1998, 10763), (2061, 10434), (2538, 8473), (3478, 6183), (4122, 5217)]