21145440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{44053}}^1$

素因数の和:44071

約数の個数: 48

約数和(自身を含む): 66609648

約数和(自身を除く): 45464208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 44053, 88106, 132159, 176212, 220265, 264318, 352424, 440530, 528636, 660795, 704848, 881060, 1057272, 1321590, 1409696, 1762120, 2114544, 2643180, 3524240, 4229088, 5286360, 7048480, 10572720, 21145440]

約数ペア:

[(1, 21145440), (2, 10572720), (3, 7048480), (4, 5286360), (5, 4229088), (6, 3524240), (8, 2643180), (10, 2114544), (12, 1762120), (15, 1409696), (16, 1321590), (20, 1057272), (24, 881060), (30, 704848), (32, 660795), (40, 528636), (48, 440530), (60, 352424), (80, 264318), (96, 220265), (120, 176212), (160, 132159), (240, 88106), (480, 44053)]