21683520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{7529}}^1$

素因数の和:7552

約数の個数: 84

約数和(自身を含む): 74592180

約数和(自身を除く): 52908660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 7529, 15058, 22587, 30116, 37645, 45174, 60232, 67761, 75290, 90348, 112935, 120464, 135522, 150580, 180696, 225870, 240928, 271044, 301160, 338805, 361392, 451740, 481856, 542088, 602320, 677610, 722784, 903480, 1084176, 1204640, 1355220, 1445568, 1806960, 2168352, 2409280, 2710440, 3613920, 4336704, 5420880, 7227840, 10841760, 21683520]

約数ペア:

[(1, 21683520), (2, 10841760), (3, 7227840), (4, 5420880), (5, 4336704), (6, 3613920), (8, 2710440), (9, 2409280), (10, 2168352), (12, 1806960), (15, 1445568), (16, 1355220), (18, 1204640), (20, 1084176), (24, 903480), (30, 722784), (32, 677610), (36, 602320), (40, 542088), (45, 481856), (48, 451740), (60, 361392), (64, 338805), (72, 301160), (80, 271044), (90, 240928), (96, 225870), (120, 180696), (144, 150580), (160, 135522), (180, 120464), (192, 112935), (240, 90348), (288, 75290), (320, 67761), (360, 60232), (480, 45174), (576, 37645), (720, 30116), (960, 22587), (1440, 15058), (2880, 7529)]