21841128

素因数分解:

$2^3\times 3^2\times {\mathrm{439}}^1\times {\mathrm{691}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 59373600

約数和(自身を除く): 37532472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 439, 691, 878, 1317, 1382, 1756, 2073, 2634, 2764, 3512, 3951, 4146, 5268, 5528, 6219, 7902, 8292, 10536, 12438, 15804, 16584, 24876, 31608, 49752, 303349, 606698, 910047, 1213396, 1820094, 2426792, 2730141, 3640188, 5460282, 7280376, 10920564, 21841128]

約数ペア:

[(1, 21841128), (2, 10920564), (3, 7280376), (4, 5460282), (6, 3640188), (8, 2730141), (9, 2426792), (12, 1820094), (18, 1213396), (24, 910047), (36, 606698), (72, 303349), (439, 49752), (691, 31608), (878, 24876), (1317, 16584), (1382, 15804), (1756, 12438), (2073, 10536), (2634, 8292), (2764, 7902), (3512, 6219), (3951, 5528), (4146, 5268)]