21200598

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{877}}^1$

素因数の和:981

約数の個数: 48

約数和(自身を含む): 49308480

約数和(自身を除く): 28107882

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 79, 102, 153, 158, 237, 306, 474, 711, 877, 1343, 1422, 1754, 2631, 2686, 4029, 5262, 7893, 8058, 12087, 14909, 15786, 24174, 29818, 44727, 69283, 89454, 134181, 138566, 207849, 268362, 415698, 623547, 1177811, 1247094, 2355622, 3533433, 7066866, 10600299, 21200598]

約数ペア:

[(1, 21200598), (2, 10600299), (3, 7066866), (6, 3533433), (9, 2355622), (17, 1247094), (18, 1177811), (34, 623547), (51, 415698), (79, 268362), (102, 207849), (153, 138566), (158, 134181), (237, 89454), (306, 69283), (474, 44727), (711, 29818), (877, 24174), (1343, 15786), (1422, 14909), (1754, 12087), (2631, 8058), (2686, 7893), (4029, 5262)]