21895848

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 64701000

約数和(自身を除く): 42805152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 149, 156, 157, 234, 298, 312, 314, 447, 468, 471, 596, 628, 894, 936, 942, 1192, 1256, 1341, 1413, 1788, 1884, 1937, 2041, 2682, 2826, 3576, 3768, 3874, 4082, 5364, 5652, 5811, 6123, 7748, 8164, 10728, 11304, 11622, 12246, 15496, 16328, 17433, 18369, 23244, 23393, 24492, 34866, 36738, 46488, 46786, 48984, 69732, 70179, 73476, 93572, 139464, 140358, 146952, 187144, 210537, 280716, 304109, 421074, 561432, 608218, 842148, 912327, 1216436, 1684296, 1824654, 2432872, 2736981, 3649308, 5473962, 7298616, 10947924, 21895848]

約数ペア:

[(1, 21895848), (2, 10947924), (3, 7298616), (4, 5473962), (6, 3649308), (8, 2736981), (9, 2432872), (12, 1824654), (13, 1684296), (18, 1216436), (24, 912327), (26, 842148), (36, 608218), (39, 561432), (52, 421074), (72, 304109), (78, 280716), (104, 210537), (117, 187144), (149, 146952), (156, 140358), (157, 139464), (234, 93572), (298, 73476), (312, 70179), (314, 69732), (447, 48984), (468, 46786), (471, 46488), (596, 36738), (628, 34866), (894, 24492), (936, 23393), (942, 23244), (1192, 18369), (1256, 17433), (1341, 16328), (1413, 15496), (1788, 12246), (1884, 11622), (1937, 11304), (2041, 10728), (2682, 8164), (2826, 7748), (3576, 6123), (3768, 5811), (3874, 5652), (4082, 5364)]