21298764

素因数分解:

$2^2\times 3^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 51408000

約数和(自身を除く): 30109236

約数列:

[1, 2, 3, 4, 6, 12, 59, 67, 118, 134, 177, 201, 236, 268, 354, 402, 449, 708, 804, 898, 1347, 1796, 2694, 3953, 5388, 7906, 11859, 15812, 23718, 26491, 30083, 47436, 52982, 60166, 79473, 90249, 105964, 120332, 158946, 180498, 317892, 360996, 1774897, 3549794, 5324691, 7099588, 10649382, 21298764]

約数ペア:

[(1, 21298764), (2, 10649382), (3, 7099588), (4, 5324691), (6, 3549794), (12, 1774897), (59, 360996), (67, 317892), (118, 180498), (134, 158946), (177, 120332), (201, 105964), (236, 90249), (268, 79473), (354, 60166), (402, 52982), (449, 47436), (708, 30083), (804, 26491), (898, 23718), (1347, 15812), (1796, 11859), (2694, 7906), (3953, 5388)]