21049298

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{7459}}^1$

素因数の和:7561

約数の個数: 16

約数和(自身を含む): 33838560

約数和(自身を除く): 12789262

約数列:

[1, 2, 17, 34, 83, 166, 1411, 2822, 7459, 14918, 126803, 253606, 619097, 1238194, 10524649, 21049298]

約数ペア:

[(1, 21049298), (2, 10524649), (17, 1238194), (34, 619097), (83, 253606), (166, 126803), (1411, 14918), (2822, 7459)]