21486864

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{63949}}^1$

素因数の和:63967

約数の個数: 40

約数和(自身を含む): 63438400

約数和(自身を除く): 41951536

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 63949, 127898, 191847, 255796, 383694, 447643, 511592, 767388, 895286, 1023184, 1342929, 1534776, 1790572, 2685858, 3069552, 3581144, 5371716, 7162288, 10743432, 21486864]

約数ペア:

[(1, 21486864), (2, 10743432), (3, 7162288), (4, 5371716), (6, 3581144), (7, 3069552), (8, 2685858), (12, 1790572), (14, 1534776), (16, 1342929), (21, 1023184), (24, 895286), (28, 767388), (42, 511592), (48, 447643), (56, 383694), (84, 255796), (112, 191847), (168, 127898), (336, 63949)]