21165624

素因数分解:

$2^3\times 3^4\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 60112800

約数和(自身を除く): 38947176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 89, 108, 162, 178, 216, 267, 324, 356, 367, 534, 648, 712, 734, 801, 1068, 1101, 1468, 1602, 2136, 2202, 2403, 2936, 3204, 3303, 4404, 4806, 6408, 6606, 7209, 8808, 9612, 9909, 13212, 14418, 19224, 19818, 26424, 28836, 29727, 32663, 39636, 57672, 59454, 65326, 79272, 97989, 118908, 130652, 195978, 237816, 261304, 293967, 391956, 587934, 783912, 881901, 1175868, 1763802, 2351736, 2645703, 3527604, 5291406, 7055208, 10582812, 21165624]

約数ペア:

[(1, 21165624), (2, 10582812), (3, 7055208), (4, 5291406), (6, 3527604), (8, 2645703), (9, 2351736), (12, 1763802), (18, 1175868), (24, 881901), (27, 783912), (36, 587934), (54, 391956), (72, 293967), (81, 261304), (89, 237816), (108, 195978), (162, 130652), (178, 118908), (216, 97989), (267, 79272), (324, 65326), (356, 59454), (367, 57672), (534, 39636), (648, 32663), (712, 29727), (734, 28836), (801, 26424), (1068, 19818), (1101, 19224), (1468, 14418), (1602, 13212), (2136, 9909), (2202, 9612), (2403, 8808), (2936, 7209), (3204, 6606), (3303, 6408), (4404, 4806)]