21232876

素因数分解:

$2^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{853}}^1$

素因数の和:998

約数の個数: 36

約数和(自身を含む): 43615488

約数和(自身を除く): 22382612

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 127, 196, 254, 508, 853, 889, 1706, 1778, 3412, 3556, 5971, 6223, 11942, 12446, 23884, 24892, 41797, 83594, 108331, 167188, 216662, 433324, 758317, 1516634, 3033268, 5308219, 10616438, 21232876]

約数ペア:

[(1, 21232876), (2, 10616438), (4, 5308219), (7, 3033268), (14, 1516634), (28, 758317), (49, 433324), (98, 216662), (127, 167188), (196, 108331), (254, 83594), (508, 41797), (853, 24892), (889, 23884), (1706, 12446), (1778, 11942), (3412, 6223), (3556, 5971)]