21169668

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1399}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 53782400

約数和(自身を除く): 32612732

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 97, 156, 194, 291, 388, 582, 1164, 1261, 1399, 2522, 2798, 3783, 4197, 5044, 5596, 7566, 8394, 15132, 16788, 18187, 36374, 54561, 72748, 109122, 135703, 218244, 271406, 407109, 542812, 814218, 1628436, 1764139, 3528278, 5292417, 7056556, 10584834, 21169668]

約数ペア:

[(1, 21169668), (2, 10584834), (3, 7056556), (4, 5292417), (6, 3528278), (12, 1764139), (13, 1628436), (26, 814218), (39, 542812), (52, 407109), (78, 271406), (97, 218244), (156, 135703), (194, 109122), (291, 72748), (388, 54561), (582, 36374), (1164, 18187), (1261, 16788), (1399, 15132), (2522, 8394), (2798, 7566), (3783, 5596), (4197, 5044)]