21787132312

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{747979}}^1$

素因数の和:748327

約数の個数: 32

約数和(自身を含む): 44699284800

約数和(自身を除く): 22912152488

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 331, 662, 1324, 2648, 3641, 7282, 14564, 29128, 747979, 1495958, 2991916, 5983832, 8227769, 16455538, 32911076, 65822152, 247581049, 495162098, 990324196, 1980648392, 2723391539, 5446783078, 10893566156, 21787132312]

約数ペア:

[(1, 21787132312), (2, 10893566156), (4, 5446783078), (8, 2723391539), (11, 1980648392), (22, 990324196), (44, 495162098), (88, 247581049), (331, 65822152), (662, 32911076), (1324, 16455538), (2648, 8227769), (3641, 5983832), (7282, 2991916), (14564, 1495958), (29128, 747979)]