21655344

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:418

約数の個数: 80

約数和(自身を含む): 59281920

約数和(自身を除く): 37626576

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 47, 48, 58, 87, 94, 116, 141, 174, 188, 232, 282, 331, 348, 376, 464, 564, 662, 696, 752, 993, 1128, 1324, 1363, 1392, 1986, 2256, 2648, 2726, 3972, 4089, 5296, 5452, 7944, 8178, 9599, 10904, 15557, 15888, 16356, 19198, 21808, 28797, 31114, 32712, 38396, 46671, 57594, 62228, 65424, 76792, 93342, 115188, 124456, 153584, 186684, 230376, 248912, 373368, 451153, 460752, 746736, 902306, 1353459, 1804612, 2706918, 3609224, 5413836, 7218448, 10827672, 21655344]

約数ペア:

[(1, 21655344), (2, 10827672), (3, 7218448), (4, 5413836), (6, 3609224), (8, 2706918), (12, 1804612), (16, 1353459), (24, 902306), (29, 746736), (47, 460752), (48, 451153), (58, 373368), (87, 248912), (94, 230376), (116, 186684), (141, 153584), (174, 124456), (188, 115188), (232, 93342), (282, 76792), (331, 65424), (348, 62228), (376, 57594), (464, 46671), (564, 38396), (662, 32712), (696, 31114), (752, 28797), (993, 21808), (1128, 19198), (1324, 16356), (1363, 15888), (1392, 15557), (1986, 10904), (2256, 9599), (2648, 8178), (2726, 7944), (3972, 5452), (4089, 5296)]