21647528

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{22739}}^1$

素因数の和:22769

約数の個数: 32

約数和(自身を含む): 49118400

約数和(自身を除く): 27470872

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 22739, 45478, 90956, 159173, 181912, 318346, 386563, 636692, 773126, 1273384, 1546252, 2705941, 3092504, 5411882, 10823764, 21647528]

約数ペア:

[(1, 21647528), (2, 10823764), (4, 5411882), (7, 3092504), (8, 2705941), (14, 1546252), (17, 1273384), (28, 773126), (34, 636692), (56, 386563), (68, 318346), (119, 181912), (136, 159173), (238, 90956), (476, 45478), (952, 22739)]