21689964

素因数分解:

$2^2\times 3^3\times {\mathrm{229}}^1\times {\mathrm{877}}^1$

素因数の和:1119

約数の個数: 48

約数和(自身を含む): 56543200

約数和(自身を除く): 34853236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 229, 458, 687, 877, 916, 1374, 1754, 2061, 2631, 2748, 3508, 4122, 5262, 6183, 7893, 8244, 10524, 12366, 15786, 23679, 24732, 31572, 47358, 94716, 200833, 401666, 602499, 803332, 1204998, 1807497, 2409996, 3614994, 5422491, 7229988, 10844982, 21689964]

約数ペア:

[(1, 21689964), (2, 10844982), (3, 7229988), (4, 5422491), (6, 3614994), (9, 2409996), (12, 1807497), (18, 1204998), (27, 803332), (36, 602499), (54, 401666), (108, 200833), (229, 94716), (458, 47358), (687, 31572), (877, 24732), (916, 23679), (1374, 15786), (1754, 12366), (2061, 10524), (2631, 8244), (2748, 7893), (3508, 6183), (4122, 5262)]