21963734

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 37709280

約数和(自身を除く): 15745546

約数列:

[1, 2, 13, 19, 26, 38, 173, 247, 257, 346, 494, 514, 2249, 3287, 3341, 4498, 4883, 6574, 6682, 9766, 42731, 44461, 63479, 85462, 88922, 126958, 577993, 844759, 1155986, 1689518, 10981867, 21963734]

約数ペア:

[(1, 21963734), (2, 10981867), (13, 1689518), (19, 1155986), (26, 844759), (38, 577993), (173, 126958), (247, 88922), (257, 85462), (346, 63479), (494, 44461), (514, 42731), (2249, 9766), (3287, 6682), (3341, 6574), (4498, 4883)]