21767931075

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{3391}}^1$

素因数の和:3697

約数の個数: 96

約数和(自身を含む): 40701394944

約数和(自身を除く): 18933463869

約数列:

[1, 3, 5, 11, 15, 25, 31, 33, 55, 75, 93, 155, 165, 251, 275, 341, 465, 753, 775, 825, 1023, 1255, 1705, 2325, 2761, 3391, 3765, 5115, 6275, 7781, 8283, 8525, 10173, 13805, 16955, 18825, 23343, 25575, 37301, 38905, 41415, 50865, 69025, 84775, 85591, 105121, 111903, 116715, 186505, 194525, 207075, 254325, 256773, 315363, 427955, 525605, 559515, 583575, 851141, 932525, 1156331, 1283865, 1576815, 2139775, 2553423, 2628025, 2797575, 3468993, 4255705, 5781655, 6419325, 7884075, 9362551, 12767115, 17344965, 21278525, 26385371, 28087653, 28908275, 46812755, 63835575, 79156113, 86724825, 131926855, 140438265, 234063775, 290239081, 395780565, 659634275, 702191325, 870717243, 1451195405, 1978902825, 4353586215, 7255977025, 21767931075]

約数ペア:

[(1, 21767931075), (3, 7255977025), (5, 4353586215), (11, 1978902825), (15, 1451195405), (25, 870717243), (31, 702191325), (33, 659634275), (55, 395780565), (75, 290239081), (93, 234063775), (155, 140438265), (165, 131926855), (251, 86724825), (275, 79156113), (341, 63835575), (465, 46812755), (753, 28908275), (775, 28087653), (825, 26385371), (1023, 21278525), (1255, 17344965), (1705, 12767115), (2325, 9362551), (2761, 7884075), (3391, 6419325), (3765, 5781655), (5115, 4255705), (6275, 3468993), (7781, 2797575), (8283, 2628025), (8525, 2553423), (10173, 2139775), (13805, 1576815), (16955, 1283865), (18825, 1156331), (23343, 932525), (25575, 851141), (37301, 583575), (38905, 559515), (41415, 525605), (50865, 427955), (69025, 315363), (84775, 256773), (85591, 254325), (105121, 207075), (111903, 194525), (116715, 186505)]