21379332

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7213}}^1$

素因数の和:7252

約数の個数: 48

約数和(自身を含む): 56557760

約数和(自身を除く): 35178428

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 7213, 14426, 21639, 28852, 43278, 86556, 93769, 137047, 187538, 274094, 281307, 375076, 411141, 548188, 562614, 822282, 1125228, 1644564, 1781611, 3563222, 5344833, 7126444, 10689666, 21379332]

約数ペア:

[(1, 21379332), (2, 10689666), (3, 7126444), (4, 5344833), (6, 3563222), (12, 1781611), (13, 1644564), (19, 1125228), (26, 822282), (38, 562614), (39, 548188), (52, 411141), (57, 375076), (76, 281307), (78, 274094), (114, 187538), (156, 137047), (228, 93769), (247, 86556), (494, 43278), (741, 28852), (988, 21639), (1482, 14426), (2964, 7213)]