21423141

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1039}}^1$

素因数の和:1153

約数の個数: 24

約数和(自身を含む): 32448000

約数和(自身を除く): 11024859

約数列:

[1, 3, 9, 29, 79, 87, 237, 261, 711, 1039, 2291, 3117, 6873, 9351, 20619, 30131, 82081, 90393, 246243, 271179, 738729, 2380349, 7141047, 21423141]

約数ペア:

[(1, 21423141), (3, 7141047), (9, 2380349), (29, 738729), (79, 271179), (87, 246243), (237, 90393), (261, 82081), (711, 30131), (1039, 20619), (2291, 9351), (3117, 6873)]