21729713032

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{1229}}^1\times {\mathrm{16871}}^1$

素因数の和:18237

約数の個数: 32

約数和(自身を含む): 41090068800

約数和(自身を除く): 19360355768

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 1229, 2458, 4916, 9832, 16871, 33742, 67484, 134968, 160999, 321998, 643996, 1287992, 2210101, 4420202, 8840404, 17680808, 20734459, 41468918, 82937836, 165875672, 2716214129, 5432428258, 10864856516, 21729713032]

約数ペア:

[(1, 21729713032), (2, 10864856516), (4, 5432428258), (8, 2716214129), (131, 165875672), (262, 82937836), (524, 41468918), (1048, 20734459), (1229, 17680808), (2458, 8840404), (4916, 4420202), (9832, 2210101), (16871, 1287992), (33742, 643996), (67484, 321998), (134968, 160999)]