21000570648

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{362629}}^1$

素因数の和:362784

約数の個数: 64

約数和(自身を含む): 55699968000

約数和(自身を除く): 34699397352

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 127, 152, 228, 254, 381, 456, 508, 762, 1016, 1524, 2413, 3048, 4826, 7239, 9652, 14478, 19304, 28956, 57912, 362629, 725258, 1087887, 1450516, 2175774, 2901032, 4351548, 6889951, 8703096, 13779902, 20669853, 27559804, 41339706, 46053883, 55119608, 82679412, 92107766, 138161649, 165358824, 184215532, 276323298, 368431064, 552646596, 875023777, 1105293192, 1750047554, 2625071331, 3500095108, 5250142662, 7000190216, 10500285324, 21000570648]

約数ペア:

[(1, 21000570648), (2, 10500285324), (3, 7000190216), (4, 5250142662), (6, 3500095108), (8, 2625071331), (12, 1750047554), (19, 1105293192), (24, 875023777), (38, 552646596), (57, 368431064), (76, 276323298), (114, 184215532), (127, 165358824), (152, 138161649), (228, 92107766), (254, 82679412), (381, 55119608), (456, 46053883), (508, 41339706), (762, 27559804), (1016, 20669853), (1524, 13779902), (2413, 8703096), (3048, 6889951), (4826, 4351548), (7239, 2901032), (9652, 2175774), (14478, 1450516), (19304, 1087887), (28956, 725258), (57912, 362629)]