21663846

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{13523}}^1$

素因数の和:13620

約数の個数: 24

約数和(自身を含む): 47469240

約数和(自身を除く): 25805394

約数列:

[1, 2, 3, 6, 9, 18, 89, 178, 267, 534, 801, 1602, 13523, 27046, 40569, 81138, 121707, 243414, 1203547, 2407094, 3610641, 7221282, 10831923, 21663846]

約数ペア:

[(1, 21663846), (2, 10831923), (3, 7221282), (6, 3610641), (9, 2407094), (18, 1203547), (89, 243414), (178, 121707), (267, 81138), (534, 40569), (801, 27046), (1602, 13523)]