21684156

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1433}}^1$

素因数の和:1550

約数の個数: 48

約数和(自身を含む): 55088544

約数和(自身を除く): 33404388

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 97, 156, 194, 291, 388, 582, 1164, 1261, 1433, 2522, 2866, 3783, 4299, 5044, 5732, 7566, 8598, 15132, 17196, 18629, 37258, 55887, 74516, 111774, 139001, 223548, 278002, 417003, 556004, 834006, 1668012, 1807013, 3614026, 5421039, 7228052, 10842078, 21684156]

約数ペア:

[(1, 21684156), (2, 10842078), (3, 7228052), (4, 5421039), (6, 3614026), (12, 1807013), (13, 1668012), (26, 834006), (39, 556004), (52, 417003), (78, 278002), (97, 223548), (156, 139001), (194, 111774), (291, 74516), (388, 55887), (582, 37258), (1164, 18629), (1261, 17196), (1433, 15132), (2522, 8598), (2866, 7566), (3783, 5732), (4299, 5044)]