21700452

素因数分解:

$2^2\times 3^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 51938432

約数和(自身を除く): 30237980

約数列:

[1, 2, 3, 4, 6, 12, 97, 103, 181, 194, 206, 291, 309, 362, 388, 412, 543, 582, 618, 724, 1086, 1164, 1236, 2172, 9991, 17557, 18643, 19982, 29973, 35114, 37286, 39964, 52671, 55929, 59946, 70228, 74572, 105342, 111858, 119892, 210684, 223716, 1808371, 3616742, 5425113, 7233484, 10850226, 21700452]

約数ペア:

[(1, 21700452), (2, 10850226), (3, 7233484), (4, 5425113), (6, 3616742), (12, 1808371), (97, 223716), (103, 210684), (181, 119892), (194, 111858), (206, 105342), (291, 74572), (309, 70228), (362, 59946), (388, 55929), (412, 52671), (543, 39964), (582, 37286), (618, 35114), (724, 29973), (1086, 19982), (1164, 18643), (1236, 17557), (2172, 9991)]