21098394

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:241

約数の個数: 80

約数和(自身を含む): 51435648

約数和(自身を除く): 30337254

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 47, 51, 54, 81, 94, 102, 141, 153, 162, 163, 282, 306, 326, 423, 459, 489, 799, 846, 918, 978, 1269, 1377, 1467, 1598, 2397, 2538, 2754, 2771, 2934, 3807, 4401, 4794, 5542, 7191, 7614, 7661, 8313, 8802, 13203, 14382, 15322, 16626, 21573, 22983, 24939, 26406, 43146, 45966, 49878, 64719, 68949, 74817, 129438, 130237, 137898, 149634, 206847, 224451, 260474, 390711, 413694, 448902, 620541, 781422, 1172133, 1241082, 2344266, 3516399, 7032798, 10549197, 21098394]

約数ペア:

[(1, 21098394), (2, 10549197), (3, 7032798), (6, 3516399), (9, 2344266), (17, 1241082), (18, 1172133), (27, 781422), (34, 620541), (47, 448902), (51, 413694), (54, 390711), (81, 260474), (94, 224451), (102, 206847), (141, 149634), (153, 137898), (162, 130237), (163, 129438), (282, 74817), (306, 68949), (326, 64719), (423, 49878), (459, 45966), (489, 43146), (799, 26406), (846, 24939), (918, 22983), (978, 21573), (1269, 16626), (1377, 15322), (1467, 14382), (1598, 13203), (2397, 8802), (2538, 8313), (2754, 7661), (2771, 7614), (2934, 7191), (3807, 5542), (4401, 4794)]