21179642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2203}}^1$

素因数の和:2258

約数の個数: 32

約数和(自身を含む): 38085120

約数和(自身を除く): 16905478

約数列:

[1, 2, 11, 19, 22, 23, 38, 46, 209, 253, 418, 437, 506, 874, 2203, 4406, 4807, 9614, 24233, 41857, 48466, 50669, 83714, 101338, 460427, 557359, 920854, 962711, 1114718, 1925422, 10589821, 21179642]

約数ペア:

[(1, 21179642), (2, 10589821), (11, 1925422), (19, 1114718), (22, 962711), (23, 920854), (38, 557359), (46, 460427), (209, 101338), (253, 83714), (418, 50669), (437, 48466), (506, 41857), (874, 24233), (2203, 9614), (4406, 4807)]