21776148

素因数分解:

$2^2\times 3^3\times {\mathrm{163}}^1\times {\mathrm{1237}}^1$

素因数の和:1413

約数の個数: 48

約数和(自身を含む): 56848960

約数和(自身を除く): 35072812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 163, 326, 489, 652, 978, 1237, 1467, 1956, 2474, 2934, 3711, 4401, 4948, 5868, 7422, 8802, 11133, 14844, 17604, 22266, 33399, 44532, 66798, 133596, 201631, 403262, 604893, 806524, 1209786, 1814679, 2419572, 3629358, 5444037, 7258716, 10888074, 21776148]

約数ペア:

[(1, 21776148), (2, 10888074), (3, 7258716), (4, 5444037), (6, 3629358), (9, 2419572), (12, 1814679), (18, 1209786), (27, 806524), (36, 604893), (54, 403262), (108, 201631), (163, 133596), (326, 66798), (489, 44532), (652, 33399), (978, 22266), (1237, 17604), (1467, 14844), (1956, 11133), (2474, 8802), (2934, 7422), (3711, 5868), (4401, 4948)]