21983667

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1\times {\mathrm{487}}^1$

素因数の和:898

約数の個数: 16

約数和(自身を含む): 30170112

約数和(自身を除く): 8186445

約数列:

[1, 3, 41, 123, 367, 487, 1101, 1461, 15047, 19967, 45141, 59901, 178729, 536187, 7327889, 21983667]

約数ペア:

[(1, 21983667), (3, 7327889), (41, 536187), (123, 178729), (367, 59901), (487, 45141), (1101, 19967), (1461, 15047)]