21661568

素因数分解:

$2^7\times {\mathrm{229}}^1\times {\mathrm{739}}^1$

素因数の和:982

約数の個数: 32

約数和(自身を含む): 43401000

約数和(自身を除く): 21739432

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 229, 458, 739, 916, 1478, 1832, 2956, 3664, 5912, 7328, 11824, 14656, 23648, 29312, 47296, 94592, 169231, 338462, 676924, 1353848, 2707696, 5415392, 10830784, 21661568]

約数ペア:

[(1, 21661568), (2, 10830784), (4, 5415392), (8, 2707696), (16, 1353848), (32, 676924), (64, 338462), (128, 169231), (229, 94592), (458, 47296), (739, 29312), (916, 23648), (1478, 14656), (1832, 11824), (2956, 7328), (3664, 5912)]