21799814

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 36801216

約数和(自身を除く): 15001402

約数列:

[1, 2, 17, 23, 34, 46, 61, 122, 391, 457, 782, 914, 1037, 1403, 2074, 2806, 7769, 10511, 15538, 21022, 23851, 27877, 47702, 55754, 178687, 357374, 473909, 641171, 947818, 1282342, 10899907, 21799814]

約数ペア:

[(1, 21799814), (2, 10899907), (17, 1282342), (23, 947818), (34, 641171), (46, 473909), (61, 357374), (122, 178687), (391, 55754), (457, 47702), (782, 27877), (914, 23851), (1037, 21022), (1403, 15538), (2074, 10511), (2806, 7769)]