21311948

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{44773}}^1$

素因数の和:44801

約数の個数: 24

約数和(自身を含む): 45132192

約数和(自身を除く): 23820244

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 44773, 89546, 179092, 313411, 626822, 761141, 1253644, 1522282, 3044564, 5327987, 10655974, 21311948]

約数ペア:

[(1, 21311948), (2, 10655974), (4, 5327987), (7, 3044564), (14, 1522282), (17, 1253644), (28, 761141), (34, 626822), (68, 313411), (119, 179092), (238, 89546), (476, 44773)]