21324996

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{157}}^1$

素因数の和:199

約数の個数: 144

約数和(自身を含む): 69014400

約数和(自身を除く): 47689404

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, 157, 196, 198, 231, 252, 294, 308, 314, 343, 396, 441, 462, 471, 539, 588, 628, 686, 693, 882, 924, 942, 1029, 1078, 1099, 1372, 1386, 1413, 1617, 1727, 1764, 1884, 2058, 2156, 2198, 2772, 2826, 3087, 3234, 3297, 3454, 3773, 4116, 4396, 4851, 5181, 5652, 6174, 6468, 6594, 6908, 7546, 7693, 9702, 9891, 10362, 11319, 12089, 12348, 13188, 15092, 15386, 15543, 19404, 19782, 20724, 22638, 23079, 24178, 30772, 31086, 33957, 36267, 39564, 45276, 46158, 48356, 53851, 62172, 67914, 69237, 72534, 84623, 92316, 107702, 108801, 135828, 138474, 145068, 161553, 169246, 215404, 217602, 253869, 276948, 323106, 338492, 435204, 484659, 507738, 592361, 646212, 761607, 969318, 1015476, 1184722, 1523214, 1777083, 1938636, 2369444, 3046428, 3554166, 5331249, 7108332, 10662498, 21324996]

約数ペア:

[(1, 21324996), (2, 10662498), (3, 7108332), (4, 5331249), (6, 3554166), (7, 3046428), (9, 2369444), (11, 1938636), (12, 1777083), (14, 1523214), (18, 1184722), (21, 1015476), (22, 969318), (28, 761607), (33, 646212), (36, 592361), (42, 507738), (44, 484659), (49, 435204), (63, 338492), (66, 323106), (77, 276948), (84, 253869), (98, 217602), (99, 215404), (126, 169246), (132, 161553), (147, 145068), (154, 138474), (157, 135828), (196, 108801), (198, 107702), (231, 92316), (252, 84623), (294, 72534), (308, 69237), (314, 67914), (343, 62172), (396, 53851), (441, 48356), (462, 46158), (471, 45276), (539, 39564), (588, 36267), (628, 33957), (686, 31086), (693, 30772), (882, 24178), (924, 23079), (942, 22638), (1029, 20724), (1078, 19782), (1099, 19404), (1372, 15543), (1386, 15386), (1413, 15092), (1617, 13188), (1727, 12348), (1764, 12089), (1884, 11319), (2058, 10362), (2156, 9891), (2198, 9702), (2772, 7693), (2826, 7546), (3087, 6908), (3234, 6594), (3297, 6468), (3454, 6174), (3773, 5652), (4116, 5181), (4396, 4851)]