21521474

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{1553}}^1$

素因数の和:1622

約数の個数: 24

約数和(自身を含む): 35832132

約数和(自身を除く): 14310658

約数列:

[1, 2, 13, 26, 41, 82, 169, 338, 533, 1066, 1553, 3106, 6929, 13858, 20189, 40378, 63673, 127346, 262457, 524914, 827749, 1655498, 10760737, 21521474]

約数ペア:

[(1, 21521474), (2, 10760737), (13, 1655498), (26, 827749), (41, 524914), (82, 262457), (169, 127346), (338, 63673), (533, 40378), (1066, 20189), (1553, 13858), (3106, 6929)]