21969136

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3701}}^1$

素因数の和:3769

約数の個数: 40

約数和(自身を含む): 49577184

約数和(自身を除く): 27608048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 3701, 5936, 7402, 14804, 25907, 29608, 51814, 59216, 103628, 196153, 207256, 392306, 414512, 784612, 1373071, 1569224, 2746142, 3138448, 5492284, 10984568, 21969136]

約数ペア:

[(1, 21969136), (2, 10984568), (4, 5492284), (7, 3138448), (8, 2746142), (14, 1569224), (16, 1373071), (28, 784612), (53, 414512), (56, 392306), (106, 207256), (112, 196153), (212, 103628), (371, 59216), (424, 51814), (742, 29608), (848, 25907), (1484, 14804), (2968, 7402), (3701, 5936)]