21106440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19543}}^1$

素因数の和:19563

約数の個数: 64

約数和(自身を含む): 70358400

約数和(自身を除く): 49251960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19543, 39086, 58629, 78172, 97715, 117258, 156344, 175887, 195430, 234516, 293145, 351774, 390860, 469032, 527661, 586290, 703548, 781720, 879435, 1055322, 1172580, 1407096, 1758870, 2110644, 2345160, 2638305, 3517740, 4221288, 5276610, 7035480, 10553220, 21106440]

約数ペア:

[(1, 21106440), (2, 10553220), (3, 7035480), (4, 5276610), (5, 4221288), (6, 3517740), (8, 2638305), (9, 2345160), (10, 2110644), (12, 1758870), (15, 1407096), (18, 1172580), (20, 1055322), (24, 879435), (27, 781720), (30, 703548), (36, 586290), (40, 527661), (45, 469032), (54, 390860), (60, 351774), (72, 293145), (90, 234516), (108, 195430), (120, 175887), (135, 156344), (180, 117258), (216, 97715), (270, 78172), (360, 58629), (540, 39086), (1080, 19543)]