21361641

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{941}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 34725888

約数和(自身を除く): 13364247

約数列:

[1, 3, 7, 21, 23, 47, 69, 141, 161, 329, 483, 941, 987, 1081, 2823, 3243, 6587, 7567, 19761, 21643, 22701, 44227, 64929, 132681, 151501, 309589, 454503, 928767, 1017221, 3051663, 7120547, 21361641]

約数ペア:

[(1, 21361641), (3, 7120547), (7, 3051663), (21, 1017221), (23, 928767), (47, 454503), (69, 309589), (141, 151501), (161, 132681), (329, 64929), (483, 44227), (941, 22701), (987, 21643), (1081, 19761), (2823, 7567), (3243, 6587)]