21739860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:462

約数の個数: 96

約数和(自身を含む): 68382720

約数和(自身を除く): 46642860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 127, 135, 180, 254, 270, 317, 381, 508, 540, 634, 635, 762, 951, 1143, 1268, 1270, 1524, 1585, 1902, 1905, 2286, 2540, 2853, 3170, 3429, 3804, 3810, 4572, 4755, 5706, 5715, 6340, 6858, 7620, 8559, 9510, 11412, 11430, 13716, 14265, 17118, 17145, 19020, 22860, 28530, 34236, 34290, 40259, 42795, 57060, 68580, 80518, 85590, 120777, 161036, 171180, 201295, 241554, 362331, 402590, 483108, 603885, 724662, 805180, 1086993, 1207770, 1449324, 1811655, 2173986, 2415540, 3623310, 4347972, 5434965, 7246620, 10869930, 21739860]

約数ペア:

[(1, 21739860), (2, 10869930), (3, 7246620), (4, 5434965), (5, 4347972), (6, 3623310), (9, 2415540), (10, 2173986), (12, 1811655), (15, 1449324), (18, 1207770), (20, 1086993), (27, 805180), (30, 724662), (36, 603885), (45, 483108), (54, 402590), (60, 362331), (90, 241554), (108, 201295), (127, 171180), (135, 161036), (180, 120777), (254, 85590), (270, 80518), (317, 68580), (381, 57060), (508, 42795), (540, 40259), (634, 34290), (635, 34236), (762, 28530), (951, 22860), (1143, 19020), (1268, 17145), (1270, 17118), (1524, 14265), (1585, 13716), (1902, 11430), (1905, 11412), (2286, 9510), (2540, 8559), (2853, 7620), (3170, 6858), (3429, 6340), (3804, 5715), (3810, 5706), (4572, 4755)]