21497962

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{743}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 36640512

約数和(自身を除く): 15142550

約数列:

[1, 2, 17, 23, 34, 37, 46, 74, 391, 629, 743, 782, 851, 1258, 1486, 1702, 12631, 14467, 17089, 25262, 27491, 28934, 34178, 54982, 290513, 467347, 581026, 632293, 934694, 1264586, 10748981, 21497962]

約数ペア:

[(1, 21497962), (2, 10748981), (17, 1264586), (23, 934694), (34, 632293), (37, 581026), (46, 467347), (74, 290513), (391, 54982), (629, 34178), (743, 28934), (782, 27491), (851, 25262), (1258, 17089), (1486, 14467), (1702, 12631)]