21635316

素因数分解:

$2^2\times 3^3\times {\mathrm{163}}^1\times {\mathrm{1229}}^1$

素因数の和:1405

約数の個数: 48

約数和(自身を含む): 56481600

約数和(自身を除く): 34846284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 163, 326, 489, 652, 978, 1229, 1467, 1956, 2458, 2934, 3687, 4401, 4916, 5868, 7374, 8802, 11061, 14748, 17604, 22122, 33183, 44244, 66366, 132732, 200327, 400654, 600981, 801308, 1201962, 1802943, 2403924, 3605886, 5408829, 7211772, 10817658, 21635316]

約数ペア:

[(1, 21635316), (2, 10817658), (3, 7211772), (4, 5408829), (6, 3605886), (9, 2403924), (12, 1802943), (18, 1201962), (27, 801308), (36, 600981), (54, 400654), (108, 200327), (163, 132732), (326, 66366), (489, 44244), (652, 33183), (978, 22122), (1229, 17604), (1467, 14748), (1956, 11061), (2458, 8802), (2934, 7374), (3687, 5868), (4401, 4916)]