21326568

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{313}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 56972160

約数和(自身を除く): 35645592

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 167, 204, 313, 334, 408, 501, 626, 668, 939, 1002, 1252, 1336, 1878, 2004, 2504, 2839, 3756, 4008, 5321, 5678, 7512, 8517, 10642, 11356, 15963, 17034, 21284, 22712, 31926, 34068, 42568, 52271, 63852, 68136, 104542, 127704, 156813, 209084, 313626, 418168, 627252, 888607, 1254504, 1777214, 2665821, 3554428, 5331642, 7108856, 10663284, 21326568]

約数ペア:

[(1, 21326568), (2, 10663284), (3, 7108856), (4, 5331642), (6, 3554428), (8, 2665821), (12, 1777214), (17, 1254504), (24, 888607), (34, 627252), (51, 418168), (68, 313626), (102, 209084), (136, 156813), (167, 127704), (204, 104542), (313, 68136), (334, 63852), (408, 52271), (501, 42568), (626, 34068), (668, 31926), (939, 22712), (1002, 21284), (1252, 17034), (1336, 15963), (1878, 11356), (2004, 10642), (2504, 8517), (2839, 7512), (3756, 5678), (4008, 5321)]