21017196

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{13577}}^1$

素因数の和:13630

約数の個数: 36

約数和(自身を含む): 54366312

約数和(自身を除く): 33349116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 13577, 27154, 40731, 54308, 81462, 122193, 162924, 244386, 488772, 583811, 1167622, 1751433, 2335244, 3502866, 5254299, 7005732, 10508598, 21017196]

約数ペア:

[(1, 21017196), (2, 10508598), (3, 7005732), (4, 5254299), (6, 3502866), (9, 2335244), (12, 1751433), (18, 1167622), (36, 583811), (43, 488772), (86, 244386), (129, 162924), (172, 122193), (258, 81462), (387, 54308), (516, 40731), (774, 27154), (1548, 13577)]