21171567459

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{6229}}^1$

素因数の和:6520

約数の個数: 64

約数和(自身を含む): 34908733440

約数和(自身を除く): 13737165981

約数列:

[1, 3, 7, 21, 23, 31, 69, 93, 161, 217, 227, 483, 651, 681, 713, 1589, 2139, 4767, 4991, 5221, 6229, 7037, 14973, 15663, 18687, 21111, 36547, 43603, 49259, 109641, 130809, 143267, 147777, 161851, 193099, 429801, 485553, 579297, 1002869, 1132957, 1351693, 1413983, 3008607, 3398871, 4055079, 4241949, 4441277, 9897881, 13323831, 29693643, 31088939, 32521609, 43833473, 93266817, 97564827, 131500419, 227651263, 306834311, 682953789, 920502933, 1008169879, 3024509637, 7057189153, 21171567459]

約数ペア:

[(1, 21171567459), (3, 7057189153), (7, 3024509637), (21, 1008169879), (23, 920502933), (31, 682953789), (69, 306834311), (93, 227651263), (161, 131500419), (217, 97564827), (227, 93266817), (483, 43833473), (651, 32521609), (681, 31088939), (713, 29693643), (1589, 13323831), (2139, 9897881), (4767, 4441277), (4991, 4241949), (5221, 4055079), (6229, 3398871), (7037, 3008607), (14973, 1413983), (15663, 1351693), (18687, 1132957), (21111, 1002869), (36547, 579297), (43603, 485553), (49259, 429801), (109641, 193099), (130809, 161851), (143267, 147777)]