21376494

素因数分解:

$2^1\times 3^3\times {\mathrm{503}}^1\times {\mathrm{787}}^1$

素因数の和:1301

約数の個数: 32

約数和(自身を含む): 47658240

約数和(自身を除く): 26281746

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 503, 787, 1006, 1509, 1574, 2361, 3018, 4527, 4722, 7083, 9054, 13581, 14166, 21249, 27162, 42498, 395861, 791722, 1187583, 2375166, 3562749, 7125498, 10688247, 21376494]

約数ペア:

[(1, 21376494), (2, 10688247), (3, 7125498), (6, 3562749), (9, 2375166), (18, 1187583), (27, 791722), (54, 395861), (503, 42498), (787, 27162), (1006, 21249), (1509, 14166), (1574, 13581), (2361, 9054), (3018, 7083), (4527, 4722)]