21081962004

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1\times {\mathrm{6151}}^1$

素因数の和:6545

約数の個数: 96

約数和(自身を含む): 53243640576

約数和(自身を除く): 32161678572

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 53, 68, 102, 106, 159, 204, 212, 317, 318, 634, 636, 901, 951, 1268, 1802, 1902, 2703, 3604, 3804, 5389, 5406, 6151, 10778, 10812, 12302, 16167, 16801, 18453, 21556, 24604, 32334, 33602, 36906, 50403, 64668, 67204, 73812, 100806, 104567, 201612, 209134, 285617, 313701, 326003, 418268, 571234, 627402, 652006, 856851, 978009, 1142468, 1254804, 1304012, 1713702, 1949867, 1956018, 3427404, 3899734, 3912036, 5542051, 5849601, 7799468, 11084102, 11699202, 16626153, 22168204, 23398404, 33147739, 33252306, 66295478, 66504612, 99443217, 103342951, 132590956, 198886434, 206685902, 310028853, 397772868, 413371804, 620057706, 1240115412, 1756830167, 3513660334, 5270490501, 7027320668, 10540981002, 21081962004]

約数ペア:

[(1, 21081962004), (2, 10540981002), (3, 7027320668), (4, 5270490501), (6, 3513660334), (12, 1756830167), (17, 1240115412), (34, 620057706), (51, 413371804), (53, 397772868), (68, 310028853), (102, 206685902), (106, 198886434), (159, 132590956), (204, 103342951), (212, 99443217), (317, 66504612), (318, 66295478), (634, 33252306), (636, 33147739), (901, 23398404), (951, 22168204), (1268, 16626153), (1802, 11699202), (1902, 11084102), (2703, 7799468), (3604, 5849601), (3804, 5542051), (5389, 3912036), (5406, 3899734), (6151, 3427404), (10778, 1956018), (10812, 1949867), (12302, 1713702), (16167, 1304012), (16801, 1254804), (18453, 1142468), (21556, 978009), (24604, 856851), (32334, 652006), (33602, 627402), (36906, 571234), (50403, 418268), (64668, 326003), (67204, 313701), (73812, 285617), (100806, 209134), (104567, 201612)]