21261139704

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{268693}}^1$

素因数の和:268869

約数の個数: 96

約数和(自身を含む): 66227697120

約数和(自身を除く): 44966557416

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 157, 168, 252, 314, 471, 504, 628, 942, 1099, 1256, 1413, 1884, 2198, 2826, 3297, 3768, 4396, 5652, 6594, 8792, 9891, 11304, 13188, 19782, 26376, 39564, 79128, 268693, 537386, 806079, 1074772, 1612158, 1880851, 2149544, 2418237, 3224316, 3761702, 4836474, 5642553, 6448632, 7523404, 9672948, 11285106, 15046808, 16927659, 19345896, 22570212, 33855318, 42184801, 45140424, 67710636, 84369602, 126554403, 135421272, 168739204, 253108806, 295293607, 337478408, 379663209, 506217612, 590587214, 759326418, 885880821, 1012435224, 1181174428, 1518652836, 1771761642, 2362348856, 2657642463, 3037305672, 3543523284, 5315284926, 7087046568, 10630569852, 21261139704]

約数ペア:

[(1, 21261139704), (2, 10630569852), (3, 7087046568), (4, 5315284926), (6, 3543523284), (7, 3037305672), (8, 2657642463), (9, 2362348856), (12, 1771761642), (14, 1518652836), (18, 1181174428), (21, 1012435224), (24, 885880821), (28, 759326418), (36, 590587214), (42, 506217612), (56, 379663209), (63, 337478408), (72, 295293607), (84, 253108806), (126, 168739204), (157, 135421272), (168, 126554403), (252, 84369602), (314, 67710636), (471, 45140424), (504, 42184801), (628, 33855318), (942, 22570212), (1099, 19345896), (1256, 16927659), (1413, 15046808), (1884, 11285106), (2198, 9672948), (2826, 7523404), (3297, 6448632), (3768, 5642553), (4396, 4836474), (5652, 3761702), (6594, 3224316), (8792, 2418237), (9891, 2149544), (11304, 1880851), (13188, 1612158), (19782, 1074772), (26376, 806079), (39564, 537386), (79128, 268693)]