21235705918

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1\times {\mathrm{76519}}^1$

素因数の和:77032

約数の個数: 32

約数和(自身を含む): 37331965440

約数和(自身を除く): 16096259522

約数列:

[1, 2, 7, 14, 43, 86, 301, 461, 602, 922, 3227, 6454, 19823, 39646, 76519, 138761, 153038, 277522, 535633, 1071266, 3290317, 6580634, 23032219, 35275259, 46064438, 70550518, 246926813, 493853626, 1516836137, 3033672274, 10617852959, 21235705918]

約数ペア:

[(1, 21235705918), (2, 10617852959), (7, 3033672274), (14, 1516836137), (43, 493853626), (86, 246926813), (301, 70550518), (461, 46064438), (602, 35275259), (922, 23032219), (3227, 6580634), (6454, 3290317), (19823, 1071266), (39646, 535633), (76519, 277522), (138761, 153038)]