21082552

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2617}}^1$

素因数の和:2695

約数の個数: 32

約数和(自身を含む): 42411600

約数和(自身を除く): 21329048

約数列:

[1, 2, 4, 8, 19, 38, 53, 76, 106, 152, 212, 424, 1007, 2014, 2617, 4028, 5234, 8056, 10468, 20936, 49723, 99446, 138701, 198892, 277402, 397784, 554804, 1109608, 2635319, 5270638, 10541276, 21082552]

約数ペア:

[(1, 21082552), (2, 10541276), (4, 5270638), (8, 2635319), (19, 1109608), (38, 554804), (53, 397784), (76, 277402), (106, 198892), (152, 138701), (212, 99446), (424, 49723), (1007, 20936), (2014, 10468), (2617, 8056), (4028, 5234)]