21538923804

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{366383}}^1$

素因数の和:366487

約数の個数: 72

約数和(自身を含む): 57613151232

約数和(自身を除く): 36074227428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 71, 92, 138, 142, 207, 213, 276, 284, 414, 426, 639, 828, 852, 1278, 1633, 2556, 3266, 4899, 6532, 9798, 14697, 19596, 29394, 58788, 366383, 732766, 1099149, 1465532, 2198298, 3297447, 4396596, 6594894, 8426809, 13189788, 16853618, 25280427, 26013193, 33707236, 50560854, 52026386, 75841281, 78039579, 101121708, 104052772, 151682562, 156079158, 234118737, 303365124, 312158316, 468237474, 598303439, 936474948, 1196606878, 1794910317, 2393213756, 3589820634, 5384730951, 7179641268, 10769461902, 21538923804]

約数ペア:

[(1, 21538923804), (2, 10769461902), (3, 7179641268), (4, 5384730951), (6, 3589820634), (9, 2393213756), (12, 1794910317), (18, 1196606878), (23, 936474948), (36, 598303439), (46, 468237474), (69, 312158316), (71, 303365124), (92, 234118737), (138, 156079158), (142, 151682562), (207, 104052772), (213, 101121708), (276, 78039579), (284, 75841281), (414, 52026386), (426, 50560854), (639, 33707236), (828, 26013193), (852, 25280427), (1278, 16853618), (1633, 13189788), (2556, 8426809), (3266, 6594894), (4899, 4396596), (6532, 3297447), (9798, 2198298), (14697, 1465532), (19596, 1099149), (29394, 732766), (58788, 366383)]