21466136

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{857}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 42007680

約数和(自身を除く): 20541544

約数列:

[1, 2, 4, 8, 31, 62, 101, 124, 202, 248, 404, 808, 857, 1714, 3131, 3428, 6262, 6856, 12524, 25048, 26567, 53134, 86557, 106268, 173114, 212536, 346228, 692456, 2683267, 5366534, 10733068, 21466136]

約数ペア:

[(1, 21466136), (2, 10733068), (4, 5366534), (8, 2683267), (31, 692456), (62, 346228), (101, 212536), (124, 173114), (202, 106268), (248, 86557), (404, 53134), (808, 26567), (857, 25048), (1714, 12524), (3131, 6856), (3428, 6262)]