21002296

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19739}}^1$

素因数の和:19771

約数の個数: 32

約数和(自身を含む): 47376000

約数和(自身を除く): 26373704

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19739, 39478, 78956, 138173, 157912, 276346, 375041, 552692, 750082, 1105384, 1500164, 2625287, 3000328, 5250574, 10501148, 21002296]

約数ペア:

[(1, 21002296), (2, 10501148), (4, 5250574), (7, 3000328), (8, 2625287), (14, 1500164), (19, 1105384), (28, 750082), (38, 552692), (56, 375041), (76, 276346), (133, 157912), (152, 138173), (266, 78956), (532, 39478), (1064, 19739)]