21222255866

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{28601423}}^1$

素因数の和:28601485

約数の個数: 16

約数和(自身を含む): 37067445504

約数和(自身を除く): 15845189638

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 28601423, 57202846, 200209961, 400419922, 1515875419, 3031750838, 10611127933, 21222255866]

約数ペア:

[(1, 21222255866), (2, 10611127933), (7, 3031750838), (14, 1515875419), (53, 400419922), (106, 200209961), (371, 57202846), (742, 28601423)]