21502585228

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{1889}}^1\times {\mathrm{7883}}^1$

素因数の和:9814

約数の個数: 36

約数和(自身を含む): 39740326920

約数和(自身を除く): 18237741692

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 1889, 3778, 7556, 7883, 15766, 31532, 35891, 71782, 143564, 149777, 299554, 599108, 681929, 1363858, 2727716, 2845763, 5691526, 11383052, 14890987, 29781974, 59563948, 282928753, 565857506, 1131715012, 5375646307, 10751292614, 21502585228]

約数ペア:

[(1, 21502585228), (2, 10751292614), (4, 5375646307), (19, 1131715012), (38, 565857506), (76, 282928753), (361, 59563948), (722, 29781974), (1444, 14890987), (1889, 11383052), (3778, 5691526), (7556, 2845763), (7883, 2727716), (15766, 1363858), (31532, 681929), (35891, 599108), (71782, 299554), (143564, 149777)]