21512196

素因数分解:

$2^2\times 3^3\times {\mathrm{139}}^1\times {\mathrm{1433}}^1$

素因数の和:1585

約数の個数: 48

約数和(自身を含む): 56212800

約数和(自身を除く): 34700604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 139, 278, 417, 556, 834, 1251, 1433, 1668, 2502, 2866, 3753, 4299, 5004, 5732, 7506, 8598, 12897, 15012, 17196, 25794, 38691, 51588, 77382, 154764, 199187, 398374, 597561, 796748, 1195122, 1792683, 2390244, 3585366, 5378049, 7170732, 10756098, 21512196]

約数ペア:

[(1, 21512196), (2, 10756098), (3, 7170732), (4, 5378049), (6, 3585366), (9, 2390244), (12, 1792683), (18, 1195122), (27, 796748), (36, 597561), (54, 398374), (108, 199187), (139, 154764), (278, 77382), (417, 51588), (556, 38691), (834, 25794), (1251, 17196), (1433, 15012), (1668, 12897), (2502, 8598), (2866, 7506), (3753, 5732), (4299, 5004)]