21917248

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{11047}}^1$

素因数の和:11090

約数の個数: 28

約数和(自身を含む): 44899072

約数和(自身を除く): 22981824

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 11047, 22094, 44188, 88376, 176752, 342457, 353504, 684914, 707008, 1369828, 2739656, 5479312, 10958624, 21917248]

約数ペア:

[(1, 21917248), (2, 10958624), (4, 5479312), (8, 2739656), (16, 1369828), (31, 707008), (32, 684914), (62, 353504), (64, 342457), (124, 176752), (248, 88376), (496, 44188), (992, 22094), (1984, 11047)]