21460766

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 14827234

約数列:

[1, 2, 17, 19, 34, 38, 139, 239, 278, 323, 478, 646, 2363, 2641, 4063, 4541, 4726, 5282, 8126, 9082, 33221, 44897, 66442, 77197, 89794, 154394, 564757, 631199, 1129514, 1262398, 10730383, 21460766]

約数ペア:

[(1, 21460766), (2, 10730383), (17, 1262398), (19, 1129514), (34, 631199), (38, 564757), (139, 154394), (239, 89794), (278, 77197), (323, 66442), (478, 44897), (646, 33221), (2363, 9082), (2641, 8126), (4063, 5282), (4541, 4726)]