21058441716

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{170227}}^1$

素因数の和:170321

約数の個数: 72

約数和(自身を含む): 54079392864

約数和(自身を除く): 33020951148

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 61, 78, 122, 156, 169, 183, 244, 338, 366, 507, 676, 732, 793, 1014, 1586, 2028, 2379, 3172, 4758, 9516, 10309, 20618, 30927, 41236, 61854, 123708, 170227, 340454, 510681, 680908, 1021362, 2042724, 2212951, 4425902, 6638853, 8851804, 10383847, 13277706, 20767694, 26555412, 28768363, 31151541, 41535388, 57536726, 62303082, 86305089, 115073452, 124606164, 134990011, 172610178, 269980022, 345220356, 404970033, 539960044, 809940066, 1619880132, 1754870143, 3509740286, 5264610429, 7019480572, 10529220858, 21058441716]

約数ペア:

[(1, 21058441716), (2, 10529220858), (3, 7019480572), (4, 5264610429), (6, 3509740286), (12, 1754870143), (13, 1619880132), (26, 809940066), (39, 539960044), (52, 404970033), (61, 345220356), (78, 269980022), (122, 172610178), (156, 134990011), (169, 124606164), (183, 115073452), (244, 86305089), (338, 62303082), (366, 57536726), (507, 41535388), (676, 31151541), (732, 28768363), (793, 26555412), (1014, 20767694), (1586, 13277706), (2028, 10383847), (2379, 8851804), (3172, 6638853), (4758, 4425902), (9516, 2212951), (10309, 2042724), (20618, 1021362), (30927, 680908), (41236, 510681), (61854, 340454), (123708, 170227)]