20211672

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{64781}}^1$

素因数の和:64803

約数の個数: 32

約数和(自身を含む): 54416880

約数和(自身を除く): 34205208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 64781, 129562, 194343, 259124, 388686, 518248, 777372, 842153, 1554744, 1684306, 2526459, 3368612, 5052918, 6737224, 10105836, 20211672]

約数ペア:

[(1, 20211672), (2, 10105836), (3, 6737224), (4, 5052918), (6, 3368612), (8, 2526459), (12, 1684306), (13, 1554744), (24, 842153), (26, 777372), (39, 518248), (52, 388686), (78, 259124), (104, 194343), (156, 129562), (312, 64781)]