21750778

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2179}}^1$

素因数の和:2242

約数の個数: 32

約数和(自身を含む): 40181760

約数和(自身を除く): 18430982

約数列:

[1, 2, 7, 14, 23, 31, 46, 62, 161, 217, 322, 434, 713, 1426, 2179, 4358, 4991, 9982, 15253, 30506, 50117, 67549, 100234, 135098, 350819, 472843, 701638, 945686, 1553627, 3107254, 10875389, 21750778]

約数ペア:

[(1, 21750778), (2, 10875389), (7, 3107254), (14, 1553627), (23, 945686), (31, 701638), (46, 472843), (62, 350819), (161, 135098), (217, 100234), (322, 67549), (434, 50117), (713, 30506), (1426, 15253), (2179, 9982), (4358, 4991)]