21533580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39877}}^1$

素因数の和:39895

約数の個数: 48

約数和(自身を含む): 66995040

約数和(自身を除く): 45461460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39877, 79754, 119631, 159508, 199385, 239262, 358893, 398770, 478524, 598155, 717786, 797540, 1076679, 1196310, 1435572, 1794465, 2153358, 2392620, 3588930, 4306716, 5383395, 7177860, 10766790, 21533580]

約数ペア:

[(1, 21533580), (2, 10766790), (3, 7177860), (4, 5383395), (5, 4306716), (6, 3588930), (9, 2392620), (10, 2153358), (12, 1794465), (15, 1435572), (18, 1196310), (20, 1076679), (27, 797540), (30, 717786), (36, 598155), (45, 478524), (54, 398770), (60, 358893), (90, 239262), (108, 199385), (135, 159508), (180, 119631), (270, 79754), (540, 39877)]