21552552

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 70024500

約数和(自身を除く): 48471948

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 41, 42, 49, 56, 63, 72, 82, 84, 98, 123, 126, 147, 149, 164, 168, 196, 246, 252, 287, 294, 298, 328, 369, 392, 441, 447, 492, 504, 574, 588, 596, 738, 861, 882, 894, 984, 1043, 1148, 1176, 1192, 1341, 1476, 1722, 1764, 1788, 2009, 2086, 2296, 2583, 2682, 2952, 3129, 3444, 3528, 3576, 4018, 4172, 5166, 5364, 6027, 6109, 6258, 6888, 7301, 8036, 8344, 9387, 10332, 10728, 12054, 12218, 12516, 14602, 16072, 18081, 18327, 18774, 20664, 21903, 24108, 24436, 25032, 29204, 36162, 36654, 37548, 42763, 43806, 48216, 48872, 54981, 58408, 65709, 72324, 73308, 75096, 85526, 87612, 109962, 128289, 131418, 144648, 146616, 171052, 175224, 219924, 256578, 262836, 299341, 342104, 384867, 439848, 513156, 525672, 598682, 769734, 898023, 1026312, 1197364, 1539468, 1796046, 2394728, 2694069, 3078936, 3592092, 5388138, 7184184, 10776276, 21552552]

約数ペア:

[(1, 21552552), (2, 10776276), (3, 7184184), (4, 5388138), (6, 3592092), (7, 3078936), (8, 2694069), (9, 2394728), (12, 1796046), (14, 1539468), (18, 1197364), (21, 1026312), (24, 898023), (28, 769734), (36, 598682), (41, 525672), (42, 513156), (49, 439848), (56, 384867), (63, 342104), (72, 299341), (82, 262836), (84, 256578), (98, 219924), (123, 175224), (126, 171052), (147, 146616), (149, 144648), (164, 131418), (168, 128289), (196, 109962), (246, 87612), (252, 85526), (287, 75096), (294, 73308), (298, 72324), (328, 65709), (369, 58408), (392, 54981), (441, 48872), (447, 48216), (492, 43806), (504, 42763), (574, 37548), (588, 36654), (596, 36162), (738, 29204), (861, 25032), (882, 24436), (894, 24108), (984, 21903), (1043, 20664), (1148, 18774), (1176, 18327), (1192, 18081), (1341, 16072), (1476, 14602), (1722, 12516), (1764, 12218), (1788, 12054), (2009, 10728), (2086, 10332), (2296, 9387), (2583, 8344), (2682, 8036), (2952, 7301), (3129, 6888), (3444, 6258), (3528, 6109), (3576, 6027), (4018, 5364), (4172, 5166)]