21444160

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3527}}^1$

素因数の和:3563

約数の個数: 56

約数和(自身を含む): 53766720

約数和(自身を除く): 32322560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 3527, 6080, 7054, 14108, 17635, 28216, 35270, 56432, 67013, 70540, 112864, 134026, 141080, 225728, 268052, 282160, 335065, 536104, 564320, 670130, 1072208, 1128640, 1340260, 2144416, 2680520, 4288832, 5361040, 10722080, 21444160]

約数ペア:

[(1, 21444160), (2, 10722080), (4, 5361040), (5, 4288832), (8, 2680520), (10, 2144416), (16, 1340260), (19, 1128640), (20, 1072208), (32, 670130), (38, 564320), (40, 536104), (64, 335065), (76, 282160), (80, 268052), (95, 225728), (152, 141080), (160, 134026), (190, 112864), (304, 70540), (320, 67013), (380, 56432), (608, 35270), (760, 28216), (1216, 17635), (1520, 14108), (3040, 7054), (3527, 6080)]