21011580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{116731}}^1$

素因数の和:116746

約数の個数: 36

約数和(自身を含む): 63735672

約数和(自身を除く): 42724092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 116731, 233462, 350193, 466924, 583655, 700386, 1050579, 1167310, 1400772, 1750965, 2101158, 2334620, 3501930, 4202316, 5252895, 7003860, 10505790, 21011580]

約数ペア:

[(1, 21011580), (2, 10505790), (3, 7003860), (4, 5252895), (5, 4202316), (6, 3501930), (9, 2334620), (10, 2101158), (12, 1750965), (15, 1400772), (18, 1167310), (20, 1050579), (30, 700386), (36, 583655), (45, 466924), (60, 350193), (90, 233462), (180, 116731)]