21811994642

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1\times {\mathrm{15761}}^1$

素因数の和:16322

約数の個数: 32

約数和(自身を含む): 34953811200

約数和(自身を除く): 13141816558

約数列:

[1, 2, 19, 38, 79, 158, 461, 922, 1501, 3002, 8759, 15761, 17518, 31522, 36419, 72838, 299459, 598918, 691961, 1245119, 1383922, 2490238, 7265821, 14531642, 23657261, 47314522, 138050599, 276101198, 573999859, 1147999718, 10905997321, 21811994642]

約数ペア:

[(1, 21811994642), (2, 10905997321), (19, 1147999718), (38, 573999859), (79, 276101198), (158, 138050599), (461, 47314522), (922, 23657261), (1501, 14531642), (3002, 7265821), (8759, 2490238), (15761, 1383922), (17518, 1245119), (31522, 691961), (36419, 598918), (72838, 299459)]