21605524

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2803}}^1$

素因数の和:2895

約数の個数: 24

約数和(自身を含む): 39570048

約数和(自身を除く): 17964524

約数列:

[1, 2, 4, 41, 47, 82, 94, 164, 188, 1927, 2803, 3854, 5606, 7708, 11212, 114923, 131741, 229846, 263482, 459692, 526964, 5401381, 10802762, 21605524]

約数ペア:

[(1, 21605524), (2, 10802762), (4, 5401381), (41, 526964), (47, 459692), (82, 263482), (94, 229846), (164, 131741), (188, 114923), (1927, 11212), (2803, 7708), (3854, 5606)]