21000923092

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{51431}}^1$

素因数の和:51592

約数の個数: 48

約数和(自身を含む): 39401026560

約数和(自身を除く): 18400103468

約数列:

[1, 2, 4, 31, 37, 62, 74, 89, 124, 148, 178, 356, 1147, 2294, 2759, 3293, 4588, 5518, 6586, 11036, 13172, 51431, 102083, 102862, 204166, 205724, 408332, 1594361, 1902947, 3188722, 3805894, 4577359, 6377444, 7611788, 9154718, 18309436, 58991357, 117982714, 141898129, 169362283, 235965428, 283796258, 338724566, 567592516, 677449132, 5250230773, 10500461546, 21000923092]

約数ペア:

[(1, 21000923092), (2, 10500461546), (4, 5250230773), (31, 677449132), (37, 567592516), (62, 338724566), (74, 283796258), (89, 235965428), (124, 169362283), (148, 141898129), (178, 117982714), (356, 58991357), (1147, 18309436), (2294, 9154718), (2759, 7611788), (3293, 6377444), (4588, 4577359), (5518, 3805894), (6586, 3188722), (11036, 1902947), (13172, 1594361), (51431, 408332), (102083, 205724), (102862, 204166)]