21610428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{701}}^1$

素因数の和:1082

約数の個数: 48

約数和(自身を含む): 57867264

約数和(自身を除く): 36256836

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 367, 701, 734, 1101, 1402, 1468, 2103, 2202, 2569, 2804, 4206, 4404, 4907, 5138, 7707, 8412, 9814, 10276, 14721, 15414, 19628, 29442, 30828, 58884, 257267, 514534, 771801, 1029068, 1543602, 1800869, 3087204, 3601738, 5402607, 7203476, 10805214, 21610428]

約数ペア:

[(1, 21610428), (2, 10805214), (3, 7203476), (4, 5402607), (6, 3601738), (7, 3087204), (12, 1800869), (14, 1543602), (21, 1029068), (28, 771801), (42, 514534), (84, 257267), (367, 58884), (701, 30828), (734, 29442), (1101, 19628), (1402, 15414), (1468, 14721), (2103, 10276), (2202, 9814), (2569, 8412), (2804, 7707), (4206, 5138), (4404, 4907)]