21596536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{739}}^1$

素因数の和:1039

約数の個数: 32

約数和(自身を含む): 43822800

約数和(自身を除く): 22226264

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 281, 562, 739, 1124, 1478, 2248, 2956, 3653, 5912, 7306, 9607, 14612, 19214, 29224, 38428, 76856, 207659, 415318, 830636, 1661272, 2699567, 5399134, 10798268, 21596536]

約数ペア:

[(1, 21596536), (2, 10798268), (4, 5399134), (8, 2699567), (13, 1661272), (26, 830636), (52, 415318), (104, 207659), (281, 76856), (562, 38428), (739, 29224), (1124, 19214), (1478, 14612), (2248, 9607), (2956, 7306), (3653, 5912)]