21192100

素因数分解:

$2^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{3163}}^1$

素因数の和:3244

約数の個数: 36

約数和(自身を含む): 46687984

約数和(自身を除く): 25495884

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 100, 134, 268, 335, 670, 1340, 1675, 3163, 3350, 6326, 6700, 12652, 15815, 31630, 63260, 79075, 158150, 211921, 316300, 423842, 847684, 1059605, 2119210, 4238420, 5298025, 10596050, 21192100]

約数ペア:

[(1, 21192100), (2, 10596050), (4, 5298025), (5, 4238420), (10, 2119210), (20, 1059605), (25, 847684), (50, 423842), (67, 316300), (100, 211921), (134, 158150), (268, 79075), (335, 63260), (670, 31630), (1340, 15815), (1675, 12652), (3163, 6700), (3350, 6326)]