22151780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{158227}}^1$

素因数の和:158243

約数の個数: 24

約数和(自身を含む): 53164608

約数和(自身を除く): 31012828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 158227, 316454, 632908, 791135, 1107589, 1582270, 2215178, 3164540, 4430356, 5537945, 11075890, 22151780]

約数ペア:

[(1, 22151780), (2, 11075890), (4, 5537945), (5, 4430356), (7, 3164540), (10, 2215178), (14, 1582270), (20, 1107589), (28, 791135), (35, 632908), (70, 316454), (140, 158227)]