21351360

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{967}}^1$

素因数の和:1010

約数の個数: 112

約数和(自身を含む): 70811136

約数和(自身を除く): 49459776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 460, 480, 552, 690, 736, 920, 960, 967, 1104, 1380, 1472, 1840, 1934, 2208, 2760, 2901, 3680, 3868, 4416, 4835, 5520, 5802, 7360, 7736, 9670, 11040, 11604, 14505, 15472, 19340, 22080, 22241, 23208, 29010, 30944, 38680, 44482, 46416, 58020, 61888, 66723, 77360, 88964, 92832, 111205, 116040, 133446, 154720, 177928, 185664, 222410, 232080, 266892, 309440, 333615, 355856, 444820, 464160, 533784, 667230, 711712, 889640, 928320, 1067568, 1334460, 1423424, 1779280, 2135136, 2668920, 3558560, 4270272, 5337840, 7117120, 10675680, 21351360]

約数ペア:

[(1, 21351360), (2, 10675680), (3, 7117120), (4, 5337840), (5, 4270272), (6, 3558560), (8, 2668920), (10, 2135136), (12, 1779280), (15, 1423424), (16, 1334460), (20, 1067568), (23, 928320), (24, 889640), (30, 711712), (32, 667230), (40, 533784), (46, 464160), (48, 444820), (60, 355856), (64, 333615), (69, 309440), (80, 266892), (92, 232080), (96, 222410), (115, 185664), (120, 177928), (138, 154720), (160, 133446), (184, 116040), (192, 111205), (230, 92832), (240, 88964), (276, 77360), (320, 66723), (345, 61888), (368, 58020), (460, 46416), (480, 44482), (552, 38680), (690, 30944), (736, 29010), (920, 23208), (960, 22241), (967, 22080), (1104, 19340), (1380, 15472), (1472, 14505), (1840, 11604), (1934, 11040), (2208, 9670), (2760, 7736), (2901, 7360), (3680, 5802), (3868, 5520), (4416, 4835)]