21591396

素因数分解:

$2^2\times 3^2\times {\mathrm{461}}^1\times {\mathrm{1301}}^1$

素因数の和:1772

約数の個数: 36

約数和(自身を含む): 54738684

約数和(自身を除く): 33147288

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 461, 922, 1301, 1383, 1844, 2602, 2766, 3903, 4149, 5204, 5532, 7806, 8298, 11709, 15612, 16596, 23418, 46836, 599761, 1199522, 1799283, 2399044, 3598566, 5397849, 7197132, 10795698, 21591396]

約数ペア:

[(1, 21591396), (2, 10795698), (3, 7197132), (4, 5397849), (6, 3598566), (9, 2399044), (12, 1799283), (18, 1199522), (36, 599761), (461, 46836), (922, 23418), (1301, 16596), (1383, 15612), (1844, 11709), (2602, 8298), (2766, 7806), (3903, 5532), (4149, 5204)]