21167691688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18503227}}^1$

素因数の和:18503257

約数の個数: 32

約数和(自身を含む): 46628134560

約数和(自身を除く): 25460442872

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 18503227, 37006454, 74012908, 148025816, 203535497, 240541951, 407070994, 481083902, 814141988, 962167804, 1628283976, 1924335608, 2645961461, 5291922922, 10583845844, 21167691688]

約数ペア:

[(1, 21167691688), (2, 10583845844), (4, 5291922922), (8, 2645961461), (11, 1924335608), (13, 1628283976), (22, 962167804), (26, 814141988), (44, 481083902), (52, 407070994), (88, 240541951), (104, 203535497), (143, 148025816), (286, 74012908), (572, 37006454), (1144, 18503227)]