21246989418

素因数分解:

$2^1\times 3^3\times {\mathrm{137}}^1\times {\mathrm{2871991}}^1$

素因数の和:2872139

約数の個数: 32

約数和(自身を含む): 47560187520

約数和(自身を除く): 26313198102

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 137, 274, 411, 822, 1233, 2466, 3699, 7398, 2871991, 5743982, 8615973, 17231946, 25847919, 51695838, 77543757, 155087514, 393462767, 786925534, 1180388301, 2360776602, 3541164903, 7082329806, 10623494709, 21246989418]

約数ペア:

[(1, 21246989418), (2, 10623494709), (3, 7082329806), (6, 3541164903), (9, 2360776602), (18, 1180388301), (27, 786925534), (54, 393462767), (137, 155087514), (274, 77543757), (411, 51695838), (822, 25847919), (1233, 17231946), (2466, 8615973), (3699, 5743982), (7398, 2871991)]