21611358

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{16447}}^1$

素因数の和:16528

約数の個数: 24

約数和(自身を含む): 47468928

約数和(自身を除く): 25857570

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 16447, 32894, 49341, 98682, 148023, 296046, 1200631, 2401262, 3601893, 7203786, 10805679, 21611358]

約数ペア:

[(1, 21611358), (2, 10805679), (3, 7203786), (6, 3601893), (9, 2401262), (18, 1200631), (73, 296046), (146, 148023), (219, 98682), (438, 49341), (657, 32894), (1314, 16447)]