21476988

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{5099}}^1$

素因数の和:5128

約数の個数: 60

約数和(自身を含む): 60475800

約数和(自身を除く): 38998812

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 5099, 10198, 15297, 20396, 30594, 45891, 61188, 66287, 91782, 132574, 137673, 183564, 198861, 265148, 275346, 397722, 413019, 550692, 596583, 795444, 826038, 1193166, 1652076, 1789749, 2386332, 3579498, 5369247, 7158996, 10738494, 21476988]

約数ペア:

[(1, 21476988), (2, 10738494), (3, 7158996), (4, 5369247), (6, 3579498), (9, 2386332), (12, 1789749), (13, 1652076), (18, 1193166), (26, 826038), (27, 795444), (36, 596583), (39, 550692), (52, 413019), (54, 397722), (78, 275346), (81, 265148), (108, 198861), (117, 183564), (156, 137673), (162, 132574), (234, 91782), (324, 66287), (351, 61188), (468, 45891), (702, 30594), (1053, 20396), (1404, 15297), (2106, 10198), (4212, 5099)]