21061776

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:568

約数の個数: 80

約数和(自身を含む): 58817664

約数和(自身を除く): 37755888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 53, 68, 102, 106, 136, 159, 204, 212, 272, 318, 408, 424, 487, 636, 816, 848, 901, 974, 1272, 1461, 1802, 1948, 2544, 2703, 2922, 3604, 3896, 5406, 5844, 7208, 7792, 8279, 10812, 11688, 14416, 16558, 21624, 23376, 24837, 25811, 33116, 43248, 49674, 51622, 66232, 77433, 99348, 103244, 132464, 154866, 198696, 206488, 309732, 397392, 412976, 438787, 619464, 877574, 1238928, 1316361, 1755148, 2632722, 3510296, 5265444, 7020592, 10530888, 21061776]

約数ペア:

[(1, 21061776), (2, 10530888), (3, 7020592), (4, 5265444), (6, 3510296), (8, 2632722), (12, 1755148), (16, 1316361), (17, 1238928), (24, 877574), (34, 619464), (48, 438787), (51, 412976), (53, 397392), (68, 309732), (102, 206488), (106, 198696), (136, 154866), (159, 132464), (204, 103244), (212, 99348), (272, 77433), (318, 66232), (408, 51622), (424, 49674), (487, 43248), (636, 33116), (816, 25811), (848, 24837), (901, 23376), (974, 21624), (1272, 16558), (1461, 14416), (1802, 11688), (1948, 10812), (2544, 8279), (2703, 7792), (2922, 7208), (3604, 5844), (3896, 5406)]