21332498

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 36443520

約数和(自身を除く): 15111022

約数列:

[1, 2, 11, 22, 37, 73, 74, 146, 359, 407, 718, 803, 814, 1606, 2701, 3949, 5402, 7898, 13283, 26207, 26566, 29711, 52414, 59422, 146113, 288277, 292226, 576554, 969659, 1939318, 10666249, 21332498]

約数ペア:

[(1, 21332498), (2, 10666249), (11, 1939318), (22, 969659), (37, 576554), (73, 292226), (74, 288277), (146, 146113), (359, 59422), (407, 52414), (718, 29711), (803, 26566), (814, 26207), (1606, 13283), (2701, 7898), (3949, 5402)]