21519036

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1109}}^1$

素因数の和:1144

約数の個数: 108

約数和(自身を含む): 69090840

約数和(自身を除く): 47571804

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 49, 63, 66, 77, 84, 98, 99, 126, 132, 147, 154, 196, 198, 231, 252, 294, 308, 396, 441, 462, 539, 588, 693, 882, 924, 1078, 1109, 1386, 1617, 1764, 2156, 2218, 2772, 3234, 3327, 4436, 4851, 6468, 6654, 7763, 9702, 9981, 12199, 13308, 15526, 19404, 19962, 23289, 24398, 31052, 36597, 39924, 46578, 48796, 54341, 69867, 73194, 85393, 93156, 108682, 109791, 139734, 146388, 163023, 170786, 217364, 219582, 256179, 279468, 326046, 341572, 439164, 489069, 512358, 597751, 652092, 768537, 978138, 1024716, 1195502, 1537074, 1793253, 1956276, 2391004, 3074148, 3586506, 5379759, 7173012, 10759518, 21519036]

約数ペア:

[(1, 21519036), (2, 10759518), (3, 7173012), (4, 5379759), (6, 3586506), (7, 3074148), (9, 2391004), (11, 1956276), (12, 1793253), (14, 1537074), (18, 1195502), (21, 1024716), (22, 978138), (28, 768537), (33, 652092), (36, 597751), (42, 512358), (44, 489069), (49, 439164), (63, 341572), (66, 326046), (77, 279468), (84, 256179), (98, 219582), (99, 217364), (126, 170786), (132, 163023), (147, 146388), (154, 139734), (196, 109791), (198, 108682), (231, 93156), (252, 85393), (294, 73194), (308, 69867), (396, 54341), (441, 48796), (462, 46578), (539, 39924), (588, 36597), (693, 31052), (882, 24398), (924, 23289), (1078, 19962), (1109, 19404), (1386, 15526), (1617, 13308), (1764, 12199), (2156, 9981), (2218, 9702), (2772, 7763), (3234, 6654), (3327, 6468), (4436, 4851)]