21388196

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{3923}}^1$

素因数の和:4003

約数の個数: 24

約数和(自身を含む): 39553920

約数和(自身を除く): 18165724

約数列:

[1, 2, 4, 29, 47, 58, 94, 116, 188, 1363, 2726, 3923, 5452, 7846, 15692, 113767, 184381, 227534, 368762, 455068, 737524, 5347049, 10694098, 21388196]

約数ペア:

[(1, 21388196), (2, 10694098), (4, 5347049), (29, 737524), (47, 455068), (58, 368762), (94, 227534), (116, 184381), (188, 113767), (1363, 15692), (2726, 7846), (3923, 5452)]