21454807504

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103148113}}^1$

素因数の和:103148134

約数の個数: 20

約数和(自身を含む): 44766281476

約数和(自身を除く): 23311473972

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 103148113, 206296226, 412592452, 825184904, 1340925469, 1650369808, 2681850938, 5363701876, 10727403752, 21454807504]

約数ペア:

[(1, 21454807504), (2, 10727403752), (4, 5363701876), (8, 2681850938), (13, 1650369808), (16, 1340925469), (26, 825184904), (52, 412592452), (104, 206296226), (208, 103148113)]