21466610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 43120728

約数和(自身を除く): 21654118

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 113, 121, 157, 226, 242, 314, 565, 605, 785, 1130, 1210, 1243, 1570, 1727, 2486, 3454, 6215, 8635, 12430, 13673, 17270, 17741, 18997, 27346, 35482, 37994, 68365, 88705, 94985, 136730, 177410, 189970, 195151, 390302, 975755, 1951510, 2146661, 4293322, 10733305, 21466610]

約数ペア:

[(1, 21466610), (2, 10733305), (5, 4293322), (10, 2146661), (11, 1951510), (22, 975755), (55, 390302), (110, 195151), (113, 189970), (121, 177410), (157, 136730), (226, 94985), (242, 88705), (314, 68365), (565, 37994), (605, 35482), (785, 27346), (1130, 18997), (1210, 17741), (1243, 17270), (1570, 13673), (1727, 12430), (2486, 8635), (3454, 6215)]