21622700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1787}}^1$

素因数の和:1823

約数の個数: 54

約数和(自身を含む): 51603468

約数和(自身を除く): 29980768

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 1100, 1210, 1787, 2420, 3025, 3574, 6050, 7148, 8935, 12100, 17870, 19657, 35740, 39314, 44675, 78628, 89350, 98285, 178700, 196570, 216227, 393140, 432454, 491425, 864908, 982850, 1081135, 1965700, 2162270, 4324540, 5405675, 10811350, 21622700]

約数ペア:

[(1, 21622700), (2, 10811350), (4, 5405675), (5, 4324540), (10, 2162270), (11, 1965700), (20, 1081135), (22, 982850), (25, 864908), (44, 491425), (50, 432454), (55, 393140), (100, 216227), (110, 196570), (121, 178700), (220, 98285), (242, 89350), (275, 78628), (484, 44675), (550, 39314), (605, 35740), (1100, 19657), (1210, 17870), (1787, 12100), (2420, 8935), (3025, 7148), (3574, 6050)]