21923170

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{20113}}^1$

素因数の和:20229

約数の個数: 16

約数和(自身を含む): 39825720

約数和(自身を除く): 17902550

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 20113, 40226, 100565, 201130, 2192317, 4384634, 10961585, 21923170]

約数ペア:

[(1, 21923170), (2, 10961585), (5, 4384634), (10, 2192317), (109, 201130), (218, 100565), (545, 40226), (1090, 20113)]