21167123929

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{69239}}^1$

素因数の和:69637

約数の個数: 24

約数和(自身を含む): 26142808320

約数和(自身を除く): 4975684391

約数列:

[1, 7, 17, 49, 119, 367, 833, 2569, 6239, 17983, 43673, 69239, 305711, 484673, 1177063, 3392711, 8239441, 25410713, 57676087, 177874991, 431982121, 1245124937, 3023874847, 21167123929]

約数ペア:

[(1, 21167123929), (7, 3023874847), (17, 1245124937), (49, 431982121), (119, 177874991), (367, 57676087), (833, 25410713), (2569, 8239441), (6239, 3392711), (17983, 1177063), (43673, 484673), (69239, 305711)]