21880888960

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{4884127}}^1$

素因数の和:4884153

約数の個数: 64

約数和(自身を含む): 59781726720

約数和(自身を除く): 37900837760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 4884127, 9768254, 19536508, 24420635, 34188889, 39073016, 48841270, 68377778, 78146032, 97682540, 136755556, 156292064, 170944445, 195365080, 273511112, 312584128, 341888890, 390730160, 547022224, 625168256, 683777780, 781460320, 1094044448, 1367555560, 1562920640, 2188088896, 2735111120, 3125841280, 4376177792, 5470222240, 10940444480, 21880888960]

約数ペア:

[(1, 21880888960), (2, 10940444480), (4, 5470222240), (5, 4376177792), (7, 3125841280), (8, 2735111120), (10, 2188088896), (14, 1562920640), (16, 1367555560), (20, 1094044448), (28, 781460320), (32, 683777780), (35, 625168256), (40, 547022224), (56, 390730160), (64, 341888890), (70, 312584128), (80, 273511112), (112, 195365080), (128, 170944445), (140, 156292064), (160, 136755556), (224, 97682540), (280, 78146032), (320, 68377778), (448, 48841270), (560, 39073016), (640, 34188889), (896, 24420635), (1120, 19536508), (2240, 9768254), (4480, 4884127)]