21696168

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{69539}}^1$

素因数の和:69561

約数の個数: 32

約数和(自身を含む): 58413600

約数和(自身を除く): 36717432

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 69539, 139078, 208617, 278156, 417234, 556312, 834468, 904007, 1668936, 1808014, 2712021, 3616028, 5424042, 7232056, 10848084, 21696168]

約数ペア:

[(1, 21696168), (2, 10848084), (3, 7232056), (4, 5424042), (6, 3616028), (8, 2712021), (12, 1808014), (13, 1668936), (24, 904007), (26, 834468), (39, 556312), (52, 417234), (78, 278156), (104, 208617), (156, 139078), (312, 69539)]