21676226

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3989}}^1$

素因数の和:4034

約数の個数: 32

約数和(自身を含む): 40219200

約数和(自身を除く): 18542974

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 209, 247, 286, 418, 494, 2717, 3989, 5434, 7978, 43879, 51857, 75791, 87758, 103714, 151582, 570427, 833701, 985283, 1140854, 1667402, 1970566, 10838113, 21676226]

約数ペア:

[(1, 21676226), (2, 10838113), (11, 1970566), (13, 1667402), (19, 1140854), (22, 985283), (26, 833701), (38, 570427), (143, 151582), (209, 103714), (247, 87758), (286, 75791), (418, 51857), (494, 43879), (2717, 7978), (3989, 5434)]