21396834

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:495

約数の個数: 48

約数和(自身を含む): 48222720

約数和(自身を除く): 26825886

約数列:

[1, 2, 3, 6, 9, 18, 41, 79, 82, 123, 158, 237, 246, 367, 369, 474, 711, 734, 738, 1101, 1422, 2202, 3239, 3303, 6478, 6606, 9717, 15047, 19434, 28993, 29151, 30094, 45141, 57986, 58302, 86979, 90282, 135423, 173958, 260937, 270846, 521874, 1188713, 2377426, 3566139, 7132278, 10698417, 21396834]

約数ペア:

[(1, 21396834), (2, 10698417), (3, 7132278), (6, 3566139), (9, 2377426), (18, 1188713), (41, 521874), (79, 270846), (82, 260937), (123, 173958), (158, 135423), (237, 90282), (246, 86979), (367, 58302), (369, 57986), (474, 45141), (711, 30094), (734, 29151), (738, 28993), (1101, 19434), (1422, 15047), (2202, 9717), (3239, 6606), (3303, 6478)]