21341696

素因数分解:

$2^9\times {\mathrm{73}}^1\times {\mathrm{571}}^1$

素因数の和:662

約数の個数: 40

約数和(自身を含む): 43301544

約数和(自身を除く): 21959848

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 128, 146, 256, 292, 512, 571, 584, 1142, 1168, 2284, 2336, 4568, 4672, 9136, 9344, 18272, 18688, 36544, 37376, 41683, 73088, 83366, 146176, 166732, 292352, 333464, 666928, 1333856, 2667712, 5335424, 10670848, 21341696]

約数ペア:

[(1, 21341696), (2, 10670848), (4, 5335424), (8, 2667712), (16, 1333856), (32, 666928), (64, 333464), (73, 292352), (128, 166732), (146, 146176), (256, 83366), (292, 73088), (512, 41683), (571, 37376), (584, 36544), (1142, 18688), (1168, 18272), (2284, 9344), (2336, 9136), (4568, 4672)]