21968428

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{827}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 39992400

約数和(自身を除く): 18023972

約数列:

[1, 2, 4, 29, 58, 116, 229, 458, 827, 916, 1654, 3308, 6641, 13282, 23983, 26564, 47966, 95932, 189383, 378766, 757532, 5492107, 10984214, 21968428]

約数ペア:

[(1, 21968428), (2, 10984214), (4, 5492107), (29, 757532), (58, 378766), (116, 189383), (229, 95932), (458, 47966), (827, 26564), (916, 23983), (1654, 13282), (3308, 6641)]