21504752

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{13049}}^1$

素因数の和:13160

約数の個数: 20

約数和(自身を含む): 42073200

約数和(自身を除く): 20568448

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 13049, 26098, 52196, 104392, 208784, 1344047, 2688094, 5376188, 10752376, 21504752]

約数ペア:

[(1, 21504752), (2, 10752376), (4, 5376188), (8, 2688094), (16, 1344047), (103, 208784), (206, 104392), (412, 52196), (824, 26098), (1648, 13049)]