21860865

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37369}}^1$

素因数の和:37393

約数の個数: 24

約数和(自身を含む): 40808040

約数和(自身を除く): 18947175

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 37369, 112107, 186845, 336321, 485797, 560535, 1457391, 1681605, 2428985, 4372173, 7286955, 21860865]

約数ペア:

[(1, 21860865), (3, 7286955), (5, 4372173), (9, 2428985), (13, 1681605), (15, 1457391), (39, 560535), (45, 485797), (65, 336321), (117, 186845), (195, 112107), (585, 37369)]