21351946240

素因数分解:

$2^{11}\times 5^1\times {\mathrm{2085151}}^1$

素因数の和:2085178

約数の個数: 48

約数和(自身を含む): 51232184640

約数和(自身を除く): 29880238400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 2085151, 4170302, 8340604, 10425755, 16681208, 20851510, 33362416, 41703020, 66724832, 83406040, 133449664, 166812080, 266899328, 333624160, 533798656, 667248320, 1067597312, 1334496640, 2135194624, 2668993280, 4270389248, 5337986560, 10675973120, 21351946240]

約数ペア:

[(1, 21351946240), (2, 10675973120), (4, 5337986560), (5, 4270389248), (8, 2668993280), (10, 2135194624), (16, 1334496640), (20, 1067597312), (32, 667248320), (40, 533798656), (64, 333624160), (80, 266899328), (128, 166812080), (160, 133449664), (256, 83406040), (320, 66724832), (512, 41703020), (640, 33362416), (1024, 20851510), (1280, 16681208), (2048, 10425755), (2560, 8340604), (5120, 4170302), (10240, 2085151)]