21402216

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:527

約数の個数: 96

約数和(自身を含む): 64415520

約数和(自身を除く): 43013304

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 61, 66, 72, 88, 99, 122, 132, 183, 198, 244, 264, 366, 396, 443, 488, 549, 671, 732, 792, 886, 1098, 1329, 1342, 1464, 1772, 2013, 2196, 2658, 2684, 3544, 3987, 4026, 4392, 4873, 5316, 5368, 6039, 7974, 8052, 9746, 10632, 12078, 14619, 15948, 16104, 19492, 24156, 27023, 29238, 31896, 38984, 43857, 48312, 54046, 58476, 81069, 87714, 108092, 116952, 162138, 175428, 216184, 243207, 297253, 324276, 350856, 486414, 594506, 648552, 891759, 972828, 1189012, 1783518, 1945656, 2378024, 2675277, 3567036, 5350554, 7134072, 10701108, 21402216]

約数ペア:

[(1, 21402216), (2, 10701108), (3, 7134072), (4, 5350554), (6, 3567036), (8, 2675277), (9, 2378024), (11, 1945656), (12, 1783518), (18, 1189012), (22, 972828), (24, 891759), (33, 648552), (36, 594506), (44, 486414), (61, 350856), (66, 324276), (72, 297253), (88, 243207), (99, 216184), (122, 175428), (132, 162138), (183, 116952), (198, 108092), (244, 87714), (264, 81069), (366, 58476), (396, 54046), (443, 48312), (488, 43857), (549, 38984), (671, 31896), (732, 29238), (792, 27023), (886, 24156), (1098, 19492), (1329, 16104), (1342, 15948), (1464, 14619), (1772, 12078), (2013, 10632), (2196, 9746), (2658, 8052), (2684, 7974), (3544, 6039), (3987, 5368), (4026, 5316), (4392, 4873)]