21579060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{823}}^1$

素因数の和:877

約数の個数: 96

約数和(自身を含む): 66447360

約数和(自身を除く): 44868300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 23, 30, 38, 46, 57, 60, 69, 76, 92, 95, 114, 115, 138, 190, 228, 230, 276, 285, 345, 380, 437, 460, 570, 690, 823, 874, 1140, 1311, 1380, 1646, 1748, 2185, 2469, 2622, 3292, 4115, 4370, 4938, 5244, 6555, 8230, 8740, 9876, 12345, 13110, 15637, 16460, 18929, 24690, 26220, 31274, 37858, 46911, 49380, 56787, 62548, 75716, 78185, 93822, 94645, 113574, 156370, 187644, 189290, 227148, 234555, 283935, 312740, 359651, 378580, 469110, 567870, 719302, 938220, 1078953, 1135740, 1438604, 1798255, 2157906, 3596510, 4315812, 5394765, 7193020, 10789530, 21579060]

約数ペア:

[(1, 21579060), (2, 10789530), (3, 7193020), (4, 5394765), (5, 4315812), (6, 3596510), (10, 2157906), (12, 1798255), (15, 1438604), (19, 1135740), (20, 1078953), (23, 938220), (30, 719302), (38, 567870), (46, 469110), (57, 378580), (60, 359651), (69, 312740), (76, 283935), (92, 234555), (95, 227148), (114, 189290), (115, 187644), (138, 156370), (190, 113574), (228, 94645), (230, 93822), (276, 78185), (285, 75716), (345, 62548), (380, 56787), (437, 49380), (460, 46911), (570, 37858), (690, 31274), (823, 26220), (874, 24690), (1140, 18929), (1311, 16460), (1380, 15637), (1646, 13110), (1748, 12345), (2185, 9876), (2469, 8740), (2622, 8230), (3292, 6555), (4115, 5244), (4370, 4938)]