21201918111

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{569}}^1\times {\mathrm{4229}}^1$

素因数の和:4904

約数の個数: 48

約数和(自身を含む): 33851844000

約数和(自身を除く): 12649925889

約数列:

[1, 3, 9, 11, 33, 89, 99, 267, 569, 801, 979, 1707, 2937, 4229, 5121, 6259, 8811, 12687, 18777, 38061, 46519, 50641, 56331, 139557, 151923, 376381, 418671, 455769, 557051, 1129143, 1671153, 2406301, 3387429, 4140191, 5013459, 7218903, 12420573, 21656709, 26469311, 37261719, 79407933, 214160789, 238223799, 642482367, 1927447101, 2355768679, 7067306037, 21201918111]

約数ペア:

[(1, 21201918111), (3, 7067306037), (9, 2355768679), (11, 1927447101), (33, 642482367), (89, 238223799), (99, 214160789), (267, 79407933), (569, 37261719), (801, 26469311), (979, 21656709), (1707, 12420573), (2937, 7218903), (4229, 5013459), (5121, 4140191), (6259, 3387429), (8811, 2406301), (12687, 1671153), (18777, 1129143), (38061, 557051), (46519, 455769), (50641, 418671), (56331, 376381), (139557, 151923)]