21239292

素因数分解:

$2^2\times 3^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 51004800

約数和(自身を除く): 29765508

約数列:

[1, 2, 3, 4, 6, 12, 59, 118, 131, 177, 229, 236, 262, 354, 393, 458, 524, 687, 708, 786, 916, 1374, 1572, 2748, 7729, 13511, 15458, 23187, 27022, 29999, 30916, 40533, 46374, 54044, 59998, 81066, 89997, 92748, 119996, 162132, 179994, 359988, 1769941, 3539882, 5309823, 7079764, 10619646, 21239292]

約数ペア:

[(1, 21239292), (2, 10619646), (3, 7079764), (4, 5309823), (6, 3539882), (12, 1769941), (59, 359988), (118, 179994), (131, 162132), (177, 119996), (229, 92748), (236, 89997), (262, 81066), (354, 59998), (393, 54044), (458, 46374), (524, 40533), (687, 30916), (708, 29999), (786, 27022), (916, 23187), (1374, 15458), (1572, 13511), (2748, 7729)]