21114180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2861}}^1$

素因数の和:2917

約数の個数: 72

約数和(自身を含む): 65631384

約数和(自身を除く): 44517204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 2861, 3690, 5722, 7380, 8583, 11444, 14305, 17166, 25749, 28610, 34332, 42915, 51498, 57220, 85830, 102996, 117301, 128745, 171660, 234602, 257490, 351903, 469204, 514980, 586505, 703806, 1055709, 1173010, 1407612, 1759515, 2111418, 2346020, 3519030, 4222836, 5278545, 7038060, 10557090, 21114180]

約数ペア:

[(1, 21114180), (2, 10557090), (3, 7038060), (4, 5278545), (5, 4222836), (6, 3519030), (9, 2346020), (10, 2111418), (12, 1759515), (15, 1407612), (18, 1173010), (20, 1055709), (30, 703806), (36, 586505), (41, 514980), (45, 469204), (60, 351903), (82, 257490), (90, 234602), (123, 171660), (164, 128745), (180, 117301), (205, 102996), (246, 85830), (369, 57220), (410, 51498), (492, 42915), (615, 34332), (738, 28610), (820, 25749), (1230, 17166), (1476, 14305), (1845, 11444), (2460, 8583), (2861, 7380), (3690, 5722)]