21544036

素因数分解:

$2^2\times {\mathrm{163}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 38352384

約数和(自身を除く): 16808348

約数列:

[1, 2, 4, 163, 173, 191, 326, 346, 382, 652, 692, 764, 28199, 31133, 33043, 56398, 62266, 66086, 112796, 124532, 132172, 5386009, 10772018, 21544036]

約数ペア:

[(1, 21544036), (2, 10772018), (4, 5386009), (163, 132172), (173, 124532), (191, 112796), (326, 66086), (346, 62266), (382, 56398), (652, 33043), (692, 31133), (764, 28199)]