21154492802

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{10909}}^1\times {\mathrm{51031}}^1$

素因数の和:61961

約数の個数: 16

約数和(自身を含む): 33405547200

約数和(自身を除く): 12251054398

約数列:

[1, 2, 19, 38, 10909, 21818, 51031, 102062, 207271, 414542, 969589, 1939178, 556697179, 1113394358, 10577246401, 21154492802]

約数ペア:

[(1, 21154492802), (2, 10577246401), (19, 1113394358), (38, 556697179), (10909, 1939178), (21818, 969589), (51031, 414542), (102062, 207271)]