21292038

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 49593600

約数和(自身を除く): 28301562

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 59, 82, 118, 123, 163, 177, 246, 326, 354, 369, 489, 531, 738, 978, 1062, 1107, 1467, 1593, 2214, 2419, 2934, 3186, 4401, 4838, 6683, 7257, 8802, 9617, 13366, 14514, 19234, 20049, 21771, 28851, 40098, 43542, 57702, 60147, 65313, 86553, 120294, 130626, 173106, 180441, 259659, 360882, 394297, 519318, 788594, 1182891, 2365782, 3548673, 7097346, 10646019, 21292038]

約数ペア:

[(1, 21292038), (2, 10646019), (3, 7097346), (6, 3548673), (9, 2365782), (18, 1182891), (27, 788594), (41, 519318), (54, 394297), (59, 360882), (82, 259659), (118, 180441), (123, 173106), (163, 130626), (177, 120294), (246, 86553), (326, 65313), (354, 60147), (369, 57702), (489, 43542), (531, 40098), (738, 28851), (978, 21771), (1062, 20049), (1107, 19234), (1467, 14514), (1593, 13366), (2214, 9617), (2419, 8802), (2934, 7257), (3186, 6683), (4401, 4838)]