21080064

素因数分解:

$2^{11}\times 3^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 58181760

約数和(自身を除く): 37101696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 47, 48, 64, 73, 94, 96, 128, 141, 146, 188, 192, 219, 256, 282, 292, 376, 384, 438, 512, 564, 584, 752, 768, 876, 1024, 1128, 1168, 1504, 1536, 1752, 2048, 2256, 2336, 3008, 3072, 3431, 3504, 4512, 4672, 6016, 6144, 6862, 7008, 9024, 9344, 10293, 12032, 13724, 14016, 18048, 18688, 20586, 24064, 27448, 28032, 36096, 37376, 41172, 48128, 54896, 56064, 72192, 74752, 82344, 96256, 109792, 112128, 144384, 149504, 164688, 219584, 224256, 288768, 329376, 439168, 448512, 658752, 878336, 1317504, 1756672, 2635008, 3513344, 5270016, 7026688, 10540032, 21080064]

約数ペア:

[(1, 21080064), (2, 10540032), (3, 7026688), (4, 5270016), (6, 3513344), (8, 2635008), (12, 1756672), (16, 1317504), (24, 878336), (32, 658752), (47, 448512), (48, 439168), (64, 329376), (73, 288768), (94, 224256), (96, 219584), (128, 164688), (141, 149504), (146, 144384), (188, 112128), (192, 109792), (219, 96256), (256, 82344), (282, 74752), (292, 72192), (376, 56064), (384, 54896), (438, 48128), (512, 41172), (564, 37376), (584, 36096), (752, 28032), (768, 27448), (876, 24064), (1024, 20586), (1128, 18688), (1168, 18048), (1504, 14016), (1536, 13724), (1752, 12032), (2048, 10293), (2256, 9344), (2336, 9024), (3008, 7008), (3072, 6862), (3431, 6144), (3504, 6016), (4512, 4672)]