21727222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{881}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 16375178

約数列:

[1, 2, 11, 19, 22, 38, 59, 118, 209, 418, 649, 881, 1121, 1298, 1762, 2242, 9691, 12331, 16739, 19382, 24662, 33478, 51979, 103958, 184129, 368258, 571769, 987601, 1143538, 1975202, 10863611, 21727222]

約数ペア:

[(1, 21727222), (2, 10863611), (11, 1975202), (19, 1143538), (22, 987601), (38, 571769), (59, 368258), (118, 184129), (209, 103958), (418, 51979), (649, 33478), (881, 24662), (1121, 19382), (1298, 16739), (1762, 12331), (2242, 9691)]