2021400218

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{493747}}^1$

素因数の和:493861

約数の個数: 16

約数和(自身を含む): 3199487040

約数和(自身を除く): 1178086822

約数列:

[1, 2, 23, 46, 89, 178, 2047, 4094, 493747, 987494, 11356181, 22712362, 43943483, 87886966, 1010700109, 2021400218]

約数ペア:

[(1, 2021400218), (2, 1010700109), (23, 87886966), (46, 43943483), (89, 22712362), (178, 11356181), (2047, 987494), (4094, 493747)]