21897538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{2333}}^1$

素因数の和:2386

約数の個数: 24

約数和(自身を含む): 37348668

約数和(自身を除く): 15451130

約数列:

[1, 2, 13, 19, 26, 38, 247, 361, 494, 722, 2333, 4666, 4693, 9386, 30329, 44327, 60658, 88654, 576251, 842213, 1152502, 1684426, 10948769, 21897538]

約数ペア:

[(1, 21897538), (2, 10948769), (13, 1684426), (19, 1152502), (26, 842213), (38, 576251), (247, 88654), (361, 60658), (494, 44327), (722, 30329), (2333, 9386), (4666, 4693)]