21228300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:352

約数の個数: 108

約数和(自身を含む): 67478320

約数和(自身を除く): 46250020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 103, 150, 180, 206, 225, 229, 300, 309, 412, 450, 458, 515, 618, 687, 900, 916, 927, 1030, 1145, 1236, 1374, 1545, 1854, 2060, 2061, 2290, 2575, 2748, 3090, 3435, 3708, 4122, 4580, 4635, 5150, 5725, 6180, 6870, 7725, 8244, 9270, 10300, 10305, 11450, 13740, 15450, 17175, 18540, 20610, 22900, 23175, 23587, 30900, 34350, 41220, 46350, 47174, 51525, 68700, 70761, 92700, 94348, 103050, 117935, 141522, 206100, 212283, 235870, 283044, 353805, 424566, 471740, 589675, 707610, 849132, 1061415, 1179350, 1415220, 1769025, 2122830, 2358700, 3538050, 4245660, 5307075, 7076100, 10614150, 21228300]

約数ペア:

[(1, 21228300), (2, 10614150), (3, 7076100), (4, 5307075), (5, 4245660), (6, 3538050), (9, 2358700), (10, 2122830), (12, 1769025), (15, 1415220), (18, 1179350), (20, 1061415), (25, 849132), (30, 707610), (36, 589675), (45, 471740), (50, 424566), (60, 353805), (75, 283044), (90, 235870), (100, 212283), (103, 206100), (150, 141522), (180, 117935), (206, 103050), (225, 94348), (229, 92700), (300, 70761), (309, 68700), (412, 51525), (450, 47174), (458, 46350), (515, 41220), (618, 34350), (687, 30900), (900, 23587), (916, 23175), (927, 22900), (1030, 20610), (1145, 18540), (1236, 17175), (1374, 15450), (1545, 13740), (1854, 11450), (2060, 10305), (2061, 10300), (2290, 9270), (2575, 8244), (2748, 7725), (3090, 6870), (3435, 6180), (3708, 5725), (4122, 5150), (4580, 4635)]