21061368

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{17207}}^1$

素因数の和:17236

約数の個数: 48

約数和(自身を含む): 60400080

約数和(自身を除く): 39338712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 17207, 34414, 51621, 68828, 103242, 137656, 154863, 206484, 292519, 309726, 412968, 585038, 619452, 877557, 1170076, 1238904, 1755114, 2340152, 2632671, 3510228, 5265342, 7020456, 10530684, 21061368]

約数ペア:

[(1, 21061368), (2, 10530684), (3, 7020456), (4, 5265342), (6, 3510228), (8, 2632671), (9, 2340152), (12, 1755114), (17, 1238904), (18, 1170076), (24, 877557), (34, 619452), (36, 585038), (51, 412968), (68, 309726), (72, 292519), (102, 206484), (136, 154863), (153, 137656), (204, 103242), (306, 68828), (408, 51621), (612, 34414), (1224, 17207)]