21000983988

素因数分解:

$2^2\times 3^1\times {\mathrm{397}}^1\times {\mathrm{4408267}}^1$

素因数の和:4408671

約数の個数: 24

約数和(自身を含む): 49125738592

約数和(自身を除く): 28124754604

約数列:

[1, 2, 3, 4, 6, 12, 397, 794, 1191, 1588, 2382, 4764, 4408267, 8816534, 13224801, 17633068, 26449602, 52899204, 1750081999, 3500163998, 5250245997, 7000327996, 10500491994, 21000983988]

約数ペア:

[(1, 21000983988), (2, 10500491994), (3, 7000327996), (4, 5250245997), (6, 3500163998), (12, 1750081999), (397, 52899204), (794, 26449602), (1191, 17633068), (1588, 13224801), (2382, 8816534), (4764, 4408267)]