21080494026

素因数分解:

$2^1\times 3^3\times {\mathrm{1979}}^1\times {\mathrm{197261}}^1$

素因数の和:199251

約数の個数: 32

約数和(自身を含む): 46869451200

約数和(自身を除く): 25788957174

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1979, 3958, 5937, 11874, 17811, 35622, 53433, 106866, 197261, 394522, 591783, 1183566, 1775349, 3550698, 5326047, 10652094, 390379519, 780759038, 1171138557, 2342277114, 3513415671, 7026831342, 10540247013, 21080494026]

約数ペア:

[(1, 21080494026), (2, 10540247013), (3, 7026831342), (6, 3513415671), (9, 2342277114), (18, 1171138557), (27, 780759038), (54, 390379519), (1979, 10652094), (3958, 5326047), (5937, 3550698), (11874, 1775349), (17811, 1183566), (35622, 591783), (53433, 394522), (106866, 197261)]