21036950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1663}}^1$

素因数の和:1709

約数の個数: 48

約数和(自身を含む): 44568576

約数和(自身を除く): 23531626

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 110, 115, 230, 253, 275, 506, 550, 575, 1150, 1265, 1663, 2530, 3326, 6325, 8315, 12650, 16630, 18293, 36586, 38249, 41575, 76498, 83150, 91465, 182930, 191245, 382490, 420739, 457325, 841478, 914650, 956225, 1912450, 2103695, 4207390, 10518475, 21036950]

約数ペア:

[(1, 21036950), (2, 10518475), (5, 4207390), (10, 2103695), (11, 1912450), (22, 956225), (23, 914650), (25, 841478), (46, 457325), (50, 420739), (55, 382490), (110, 191245), (115, 182930), (230, 91465), (253, 83150), (275, 76498), (506, 41575), (550, 38249), (575, 36586), (1150, 18293), (1265, 16630), (1663, 12650), (2530, 8315), (3326, 6325)]