21570396

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1063}}^1$

素因数の和:1178

約数の個数: 48

約数和(自身を含む): 53625600

約数和(自身を除く): 32055204

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 89, 114, 178, 228, 267, 356, 534, 1063, 1068, 1691, 2126, 3189, 3382, 4252, 5073, 6378, 6764, 10146, 12756, 20197, 20292, 40394, 60591, 80788, 94607, 121182, 189214, 242364, 283821, 378428, 567642, 1135284, 1797533, 3595066, 5392599, 7190132, 10785198, 21570396]

約数ペア:

[(1, 21570396), (2, 10785198), (3, 7190132), (4, 5392599), (6, 3595066), (12, 1797533), (19, 1135284), (38, 567642), (57, 378428), (76, 283821), (89, 242364), (114, 189214), (178, 121182), (228, 94607), (267, 80788), (356, 60591), (534, 40394), (1063, 20292), (1068, 20197), (1691, 12756), (2126, 10146), (3189, 6764), (3382, 6378), (4252, 5073)]