21947504

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{44249}}^1$

素因数の和:44288

約数の個数: 20

約数和(自身を含む): 43896000

約数和(自身を除く): 21948496

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 44249, 88498, 176996, 353992, 707984, 1371719, 2743438, 5486876, 10973752, 21947504]

約数ペア:

[(1, 21947504), (2, 10973752), (4, 5486876), (8, 2743438), (16, 1371719), (31, 707984), (62, 353992), (124, 176996), (248, 88498), (496, 44249)]