21337020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13171}}^1$

素因数の和:13192

約数の個数: 60

約数和(自身を含む): 66940104

約数和(自身を除く): 45603084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 13171, 26342, 39513, 52684, 65855, 79026, 118539, 131710, 158052, 197565, 237078, 263420, 355617, 395130, 474156, 592695, 711234, 790260, 1066851, 1185390, 1422468, 1778085, 2133702, 2370780, 3556170, 4267404, 5334255, 7112340, 10668510, 21337020]

約数ペア:

[(1, 21337020), (2, 10668510), (3, 7112340), (4, 5334255), (5, 4267404), (6, 3556170), (9, 2370780), (10, 2133702), (12, 1778085), (15, 1422468), (18, 1185390), (20, 1066851), (27, 790260), (30, 711234), (36, 592695), (45, 474156), (54, 395130), (60, 355617), (81, 263420), (90, 237078), (108, 197565), (135, 158052), (162, 131710), (180, 118539), (270, 79026), (324, 65855), (405, 52684), (540, 39513), (810, 26342), (1620, 13171)]