21477137

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 25596648

約数和(自身を除く): 4119511

約数列:

[1, 11, 17, 53, 121, 187, 197, 583, 901, 2057, 2167, 3349, 6413, 9911, 10441, 23837, 36839, 109021, 114851, 177497, 405229, 1263361, 1952467, 21477137]

約数ペア:

[(1, 21477137), (11, 1952467), (17, 1263361), (53, 405229), (121, 177497), (187, 114851), (197, 109021), (583, 36839), (901, 23837), (2057, 10441), (2167, 9911), (3349, 6413)]