21025800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11681}}^1$

素因数の和:11703

約数の個数: 72

約数和(自身を含む): 70617690

約数和(自身を除く): 49591890

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 11681, 23362, 35043, 46724, 58405, 70086, 93448, 105129, 116810, 140172, 175215, 210258, 233620, 280344, 292025, 350430, 420516, 467240, 525645, 584050, 700860, 841032, 876075, 1051290, 1168100, 1401720, 1752150, 2102580, 2336200, 2628225, 3504300, 4205160, 5256450, 7008600, 10512900, 21025800]

約数ペア:

[(1, 21025800), (2, 10512900), (3, 7008600), (4, 5256450), (5, 4205160), (6, 3504300), (8, 2628225), (9, 2336200), (10, 2102580), (12, 1752150), (15, 1401720), (18, 1168100), (20, 1051290), (24, 876075), (25, 841032), (30, 700860), (36, 584050), (40, 525645), (45, 467240), (50, 420516), (60, 350430), (72, 292025), (75, 280344), (90, 233620), (100, 210258), (120, 175215), (150, 140172), (180, 116810), (200, 105129), (225, 93448), (300, 70086), (360, 58405), (450, 46724), (600, 35043), (900, 23362), (1800, 11681)]