21000751974

素因数分解:

$2^1\times 3^2\times {\mathrm{181}}^1\times {\mathrm{479}}^1\times {\mathrm{13457}}^1$

素因数の和:14125

約数の個数: 48

約数和(自身を含む): 45851944320

約数和(自身を除く): 24851192346

約数列:

[1, 2, 3, 6, 9, 18, 181, 362, 479, 543, 958, 1086, 1437, 1629, 2874, 3258, 4311, 8622, 13457, 26914, 40371, 80742, 86699, 121113, 173398, 242226, 260097, 520194, 780291, 1560582, 2435717, 4871434, 6445903, 7307151, 12891806, 14614302, 19337709, 21921453, 38675418, 43842906, 58013127, 116026254, 1166708443, 2333416886, 3500125329, 7000250658, 10500375987, 21000751974]

約数ペア:

[(1, 21000751974), (2, 10500375987), (3, 7000250658), (6, 3500125329), (9, 2333416886), (18, 1166708443), (181, 116026254), (362, 58013127), (479, 43842906), (543, 38675418), (958, 21921453), (1086, 19337709), (1437, 14614302), (1629, 12891806), (2874, 7307151), (3258, 6445903), (4311, 4871434), (8622, 2435717), (13457, 1560582), (26914, 780291), (40371, 520194), (80742, 260097), (86699, 242226), (121113, 173398)]