21500732

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1433}}^1$

素因数の和:1490

約数の個数: 36

約数和(自身を含む): 42721728

約数和(自身を除く): 21220996

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 121, 124, 242, 341, 484, 682, 1364, 1433, 2866, 3751, 5732, 7502, 15004, 15763, 31526, 44423, 63052, 88846, 173393, 177692, 346786, 488653, 693572, 977306, 1954612, 5375183, 10750366, 21500732]

約数ペア:

[(1, 21500732), (2, 10750366), (4, 5375183), (11, 1954612), (22, 977306), (31, 693572), (44, 488653), (62, 346786), (121, 177692), (124, 173393), (242, 88846), (341, 63052), (484, 44423), (682, 31526), (1364, 15763), (1433, 15004), (2866, 7502), (3751, 5732)]