About the Number

21406814

21406813 ← → 21406815

2進数表記:1010001101010010001011110

漢数字表記:二千百四十万六千八百十四

素因数分解:

2 1 × 11 1 × 13 1 × 29 2 × 89 1

素因数の和:173
約数の個数: 48
約数和(自身を含む): 39508560
約数和(自身を除く): 18101746

約数列:
[1, 2, 11, 13, 22, 26, 29, 58, 89, 143, 178, 286, 319, 377, 638, 754, 841, 979, 1157, 1682, 1958, 2314, 2581, 4147, 5162, 8294, 9251, 10933, 12727, 18502, 21866, 25454, 28391, 33553, 56782, 67106, 74849, 120263, 149698, 240526, 369083, 738166, 823339, 973037, 1646678, 1946074, 10703407, 21406814]

約数ペア:
[(1, 21406814), (2, 10703407), (11, 1946074), (13, 1646678), (22, 973037), (26, 823339), (29, 738166), (58, 369083), (89, 240526), (143, 149698), (178, 120263), (286, 74849), (319, 67106), (377, 56782), (638, 33553), (754, 28391), (841, 25454), (979, 21866), (1157, 18502), (1682, 12727), (1958, 10933), (2314, 9251), (2581, 8294), (4147, 5162)]

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