21451458

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{10867}}^1$

素因数の和:10926

約数の個数: 32

約数和(自身を含む): 50079744

約数和(自身を除く): 28628286

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 10867, 21734, 32601, 65202, 76069, 152138, 228207, 456414, 510749, 1021498, 1532247, 3064494, 3575243, 7150486, 10725729, 21451458]

約数ペア:

[(1, 21451458), (2, 10725729), (3, 7150486), (6, 3575243), (7, 3064494), (14, 1532247), (21, 1021498), (42, 510749), (47, 456414), (94, 228207), (141, 152138), (282, 76069), (329, 65202), (658, 32601), (987, 21734), (1974, 10867)]