2021521341

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{692539}}^1$

素因数の和:692688

約数の個数: 16

約数和(自身を含む): 3102579200

約数和(自身を除く): 1081057859

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 692539, 2077617, 4847773, 14543319, 96262921, 288788763, 673840447, 2021521341]

約数ペア:

[(1, 2021521341), (3, 673840447), (7, 288788763), (21, 96262921), (139, 14543319), (417, 4847773), (973, 2077617), (2919, 692539)]