21024240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5153}}^1$

素因数の和:5186

約数の個数: 80

約数和(自身を含む): 69022368

約数和(自身を除く): 47998128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 5153, 10306, 15459, 20612, 25765, 30918, 41224, 51530, 61836, 77295, 82448, 87601, 103060, 123672, 154590, 175202, 206120, 247344, 262803, 309180, 350404, 412240, 438005, 525606, 618360, 700808, 876010, 1051212, 1236720, 1314015, 1401616, 1752020, 2102424, 2628030, 3504040, 4204848, 5256060, 7008080, 10512120, 21024240]

約数ペア:

[(1, 21024240), (2, 10512120), (3, 7008080), (4, 5256060), (5, 4204848), (6, 3504040), (8, 2628030), (10, 2102424), (12, 1752020), (15, 1401616), (16, 1314015), (17, 1236720), (20, 1051212), (24, 876010), (30, 700808), (34, 618360), (40, 525606), (48, 438005), (51, 412240), (60, 350404), (68, 309180), (80, 262803), (85, 247344), (102, 206120), (120, 175202), (136, 154590), (170, 123672), (204, 103060), (240, 87601), (255, 82448), (272, 77295), (340, 61836), (408, 51530), (510, 41224), (680, 30918), (816, 25765), (1020, 20612), (1360, 15459), (2040, 10306), (4080, 5153)]