21985698

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{27551}}^1$

素因数の和:27582

約数の個数: 32

約数和(自身を含む): 52899840

約数和(自身を除く): 30914142

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 27551, 55102, 82653, 165306, 192857, 385714, 523469, 578571, 1046938, 1157142, 1570407, 3140814, 3664283, 7328566, 10992849, 21985698]

約数ペア:

[(1, 21985698), (2, 10992849), (3, 7328566), (6, 3664283), (7, 3140814), (14, 1570407), (19, 1157142), (21, 1046938), (38, 578571), (42, 523469), (57, 385714), (114, 192857), (133, 165306), (266, 82653), (399, 55102), (798, 27551)]