21725558

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{569}}^1\times {\mathrm{1123}}^1$

素因数の和:1711

約数の個数: 16

約数和(自身を含む): 34596720

約数和(自身を除く): 12871162

約数列:

[1, 2, 17, 34, 569, 1123, 1138, 2246, 9673, 19091, 19346, 38182, 638987, 1277974, 10862779, 21725558]

約数ペア:

[(1, 21725558), (2, 10862779), (17, 1277974), (34, 638987), (569, 38182), (1123, 19346), (1138, 19091), (2246, 9673)]