21274542

素因数分解:

$2^1\times 3^3\times {\mathrm{79}}^1\times {\mathrm{4987}}^1$

素因数の和:5077

約数の個数: 32

約数和(自身を含む): 47884800

約数和(自身を除く): 26610258

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 158, 237, 474, 711, 1422, 2133, 4266, 4987, 9974, 14961, 29922, 44883, 89766, 134649, 269298, 393973, 787946, 1181919, 2363838, 3545757, 7091514, 10637271, 21274542]

約数ペア:

[(1, 21274542), (2, 10637271), (3, 7091514), (6, 3545757), (9, 2363838), (18, 1181919), (27, 787946), (54, 393973), (79, 269298), (158, 134649), (237, 89766), (474, 44883), (711, 29922), (1422, 14961), (2133, 9974), (4266, 4987)]