21110670

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{4787}}^1$

素因数の和:4814

約数の個数: 72

約数和(自身を含む): 63862344

約数和(自身を除く): 42751674

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 4787, 9574, 14361, 23935, 28722, 33509, 43083, 47870, 67018, 71805, 86166, 100527, 143610, 167545, 201054, 215415, 234563, 301581, 335090, 430830, 469126, 502635, 603162, 703689, 1005270, 1172815, 1407378, 1507905, 2111067, 2345630, 3015810, 3518445, 4222134, 7036890, 10555335, 21110670]

約数ペア:

[(1, 21110670), (2, 10555335), (3, 7036890), (5, 4222134), (6, 3518445), (7, 3015810), (9, 2345630), (10, 2111067), (14, 1507905), (15, 1407378), (18, 1172815), (21, 1005270), (30, 703689), (35, 603162), (42, 502635), (45, 469126), (49, 430830), (63, 335090), (70, 301581), (90, 234563), (98, 215415), (105, 201054), (126, 167545), (147, 143610), (210, 100527), (245, 86166), (294, 71805), (315, 67018), (441, 47870), (490, 43083), (630, 33509), (735, 28722), (882, 23935), (1470, 14361), (2205, 9574), (4410, 4787)]