21551145495

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{839}}^1\times {\mathrm{3797}}^1$

素因数の和:4696

約数の個数: 64

約数和(自身を含む): 38590110720

約数和(自身を除く): 17038965225

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 123, 165, 205, 451, 615, 839, 1353, 2255, 2517, 3797, 4195, 6765, 9229, 11391, 12585, 18985, 27687, 34399, 41767, 46145, 56955, 103197, 125301, 138435, 155677, 171995, 208835, 378389, 467031, 515985, 626505, 778385, 1135167, 1712447, 1891945, 2335155, 3185683, 5137341, 5675835, 8562235, 9557049, 15928415, 25686705, 35042513, 47785245, 105127539, 130613003, 175212565, 391839009, 525637695, 653065015, 1436743033, 1959195045, 4310229099, 7183715165, 21551145495]

約数ペア:

[(1, 21551145495), (3, 7183715165), (5, 4310229099), (11, 1959195045), (15, 1436743033), (33, 653065015), (41, 525637695), (55, 391839009), (123, 175212565), (165, 130613003), (205, 105127539), (451, 47785245), (615, 35042513), (839, 25686705), (1353, 15928415), (2255, 9557049), (2517, 8562235), (3797, 5675835), (4195, 5137341), (6765, 3185683), (9229, 2335155), (11391, 1891945), (12585, 1712447), (18985, 1135167), (27687, 778385), (34399, 626505), (41767, 515985), (46145, 467031), (56955, 378389), (103197, 208835), (125301, 171995), (138435, 155677)]