21753425008

素因数分解:

$2^4\times 7^1\times {\mathrm{4933}}^1\times {\mathrm{39373}}^1$

素因数の和:44321

約数の個数: 40

約数和(自身を含む): 48179286368

約数和(自身を除く): 26425861360

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 4933, 9866, 19732, 34531, 39373, 39464, 69062, 78746, 78928, 138124, 157492, 275611, 276248, 314984, 551222, 552496, 629968, 1102444, 2204888, 4409776, 194227009, 388454018, 776908036, 1359589063, 1553816072, 2719178126, 3107632144, 5438356252, 10876712504, 21753425008]

約数ペア:

[(1, 21753425008), (2, 10876712504), (4, 5438356252), (7, 3107632144), (8, 2719178126), (14, 1553816072), (16, 1359589063), (28, 776908036), (56, 388454018), (112, 194227009), (4933, 4409776), (9866, 2204888), (19732, 1102444), (34531, 629968), (39373, 552496), (39464, 551222), (69062, 314984), (78746, 276248), (78928, 275611), (138124, 157492)]