21000766974735

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{3218279}}^1$

素因数の和:3218548

約数の個数: 64

約数和(自身を含む): 35126934036480

約数和(自身を除く): 14126167061745

約数列:

[1, 3, 5, 15, 43, 67, 129, 151, 201, 215, 335, 453, 645, 755, 1005, 2265, 2881, 6493, 8643, 10117, 14405, 19479, 30351, 32465, 43215, 50585, 97395, 151755, 435031, 1305093, 2175155, 3218279, 6525465, 9654837, 16091395, 48274185, 138385997, 215624693, 415157991, 485960129, 646874079, 691929985, 1078123465, 1457880387, 2075789955, 2429800645, 3234370395, 7289401935, 9271861799, 20896285547, 27815585397, 32559328643, 46359308995, 62688856641, 97677985929, 104481427735, 139077926985, 162796643215, 313444283205, 488389929645, 1400051131649, 4200153394947, 7000255658245, 21000766974735]

約数ペア:

[(1, 21000766974735), (3, 7000255658245), (5, 4200153394947), (15, 1400051131649), (43, 488389929645), (67, 313444283205), (129, 162796643215), (151, 139077926985), (201, 104481427735), (215, 97677985929), (335, 62688856641), (453, 46359308995), (645, 32559328643), (755, 27815585397), (1005, 20896285547), (2265, 9271861799), (2881, 7289401935), (6493, 3234370395), (8643, 2429800645), (10117, 2075789955), (14405, 1457880387), (19479, 1078123465), (30351, 691929985), (32465, 646874079), (43215, 485960129), (50585, 415157991), (97395, 215624693), (151755, 138385997), (435031, 48274185), (1305093, 16091395), (2175155, 9654837), (3218279, 6525465)]