21680712

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{17713}}^1$

素因数の和:17742

約数の個数: 48

約数和(自身を含む): 62176140

約数和(自身を除く): 40495428

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, 17713, 35426, 53139, 70852, 106278, 141704, 159417, 212556, 301121, 318834, 425112, 602242, 637668, 903363, 1204484, 1275336, 1806726, 2408968, 2710089, 3613452, 5420178, 7226904, 10840356, 21680712]

約数ペア:

[(1, 21680712), (2, 10840356), (3, 7226904), (4, 5420178), (6, 3613452), (8, 2710089), (9, 2408968), (12, 1806726), (17, 1275336), (18, 1204484), (24, 903363), (34, 637668), (36, 602242), (51, 425112), (68, 318834), (72, 301121), (102, 212556), (136, 159417), (153, 141704), (204, 106278), (306, 70852), (408, 53139), (612, 35426), (1224, 17713)]