21131422

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{619}}^1$

素因数の和:748

約数の個数: 24

約数和(自身を含む): 34718760

約数和(自身を除く): 13587338

約数列:

[1, 2, 13, 26, 101, 169, 202, 338, 619, 1238, 1313, 2626, 8047, 16094, 17069, 34138, 62519, 104611, 125038, 209222, 812747, 1625494, 10565711, 21131422]

約数ペア:

[(1, 21131422), (2, 10565711), (13, 1625494), (26, 812747), (101, 209222), (169, 125038), (202, 104611), (338, 62519), (619, 34138), (1238, 17069), (1313, 16094), (2626, 8047)]