21867468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{593}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 58544640

約数和(自身を除く): 36677172

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 439, 593, 878, 1186, 1317, 1756, 1779, 2372, 2634, 3073, 3558, 4151, 5268, 6146, 7116, 8302, 9219, 12292, 12453, 16604, 18438, 24906, 36876, 49812, 260327, 520654, 780981, 1041308, 1561962, 1822289, 3123924, 3644578, 5466867, 7289156, 10933734, 21867468]

約数ペア:

[(1, 21867468), (2, 10933734), (3, 7289156), (4, 5466867), (6, 3644578), (7, 3123924), (12, 1822289), (14, 1561962), (21, 1041308), (28, 780981), (42, 520654), (84, 260327), (439, 49812), (593, 36876), (878, 24906), (1186, 18438), (1317, 16604), (1756, 12453), (1779, 12292), (2372, 9219), (2634, 8302), (3073, 7116), (3558, 6146), (4151, 5268)]