21000434715

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1\times {\mathrm{2969}}^1$

素因数の和:3213

約数の個数: 96

約数和(自身を含む): 39930770880

約数和(自身を除く): 18930336165

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 107, 113, 117, 195, 321, 339, 535, 565, 585, 963, 1017, 1391, 1469, 1605, 1695, 2969, 4173, 4407, 4815, 5085, 6955, 7345, 8907, 12091, 12519, 13221, 14845, 20865, 22035, 26721, 36273, 38597, 44535, 60455, 62595, 66105, 108819, 115791, 133605, 157183, 181365, 192985, 317683, 335497, 347373, 471549, 544095, 578955, 785915, 953049, 1006491, 1414647, 1588415, 1677485, 1736865, 2357745, 2859147, 3019473, 4129879, 4361461, 4765245, 5032455, 7073235, 12389637, 13084383, 14295735, 15097365, 20649395, 21807305, 35898179, 37168911, 39253149, 61948185, 65421915, 107694537, 179490895, 185844555, 196265745, 323083611, 466676327, 538472685, 1400028981, 1615418055, 2333381635, 4200086943, 7000144905, 21000434715]

約数ペア:

[(1, 21000434715), (3, 7000144905), (5, 4200086943), (9, 2333381635), (13, 1615418055), (15, 1400028981), (39, 538472685), (45, 466676327), (65, 323083611), (107, 196265745), (113, 185844555), (117, 179490895), (195, 107694537), (321, 65421915), (339, 61948185), (535, 39253149), (565, 37168911), (585, 35898179), (963, 21807305), (1017, 20649395), (1391, 15097365), (1469, 14295735), (1605, 13084383), (1695, 12389637), (2969, 7073235), (4173, 5032455), (4407, 4765245), (4815, 4361461), (5085, 4129879), (6955, 3019473), (7345, 2859147), (8907, 2357745), (12091, 1736865), (12519, 1677485), (13221, 1588415), (14845, 1414647), (20865, 1006491), (22035, 953049), (26721, 785915), (36273, 578955), (38597, 544095), (44535, 471549), (60455, 347373), (62595, 335497), (66105, 317683), (108819, 192985), (115791, 181365), (133605, 157183)]