21582784

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{17749}}^1$

素因数の和:17780

約数の個数: 28

約数和(自身を含む): 45085000

約数和(自身を除く): 23502216

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 17749, 35498, 70996, 141992, 283984, 337231, 567968, 674462, 1135936, 1348924, 2697848, 5395696, 10791392, 21582784]

約数ペア:

[(1, 21582784), (2, 10791392), (4, 5395696), (8, 2697848), (16, 1348924), (19, 1135936), (32, 674462), (38, 567968), (64, 337231), (76, 283984), (152, 141992), (304, 70996), (608, 35498), (1216, 17749)]