21001419

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 31056480

約数和(自身を除く): 10055061

約数列:

[1, 3, 9, 89, 157, 167, 267, 471, 501, 801, 1413, 1503, 13973, 14863, 26219, 41919, 44589, 78657, 125757, 133767, 235971, 2333491, 7000473, 21001419]

約数ペア:

[(1, 21001419), (3, 7000473), (9, 2333491), (89, 235971), (157, 133767), (167, 125757), (267, 78657), (471, 44589), (501, 41919), (801, 26219), (1413, 14863), (1503, 13973)]