21206444

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9587}}^1$

素因数の和:9677

約数の個数: 24

約数和(自身を含む): 42954240

約数和(自身を除く): 21747796

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 9587, 19174, 38348, 67109, 134218, 268436, 757373, 1514746, 3029492, 5301611, 10603222, 21206444]

約数ペア:

[(1, 21206444), (2, 10603222), (4, 5301611), (7, 3029492), (14, 1514746), (28, 757373), (79, 268436), (158, 134218), (316, 67109), (553, 38348), (1106, 19174), (2212, 9587)]