21895974

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{5711}}^1$

素因数の和:5793

約数の個数: 32

約数和(自身を含む): 49351680

約数和(自身を除く): 27455706

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 5711, 11422, 17133, 34266, 51399, 102798, 154197, 308394, 405481, 810962, 1216443, 2432886, 3649329, 7298658, 10947987, 21895974]

約数ペア:

[(1, 21895974), (2, 10947987), (3, 7298658), (6, 3649329), (9, 2432886), (18, 1216443), (27, 810962), (54, 405481), (71, 308394), (142, 154197), (213, 102798), (426, 51399), (639, 34266), (1278, 17133), (1917, 11422), (3834, 5711)]