21305040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88771}}^1$

素因数の和:88787

約数の個数: 40

約数和(自身を含む): 66046368

約数和(自身を除く): 44741328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88771, 177542, 266313, 355084, 443855, 532626, 710168, 887710, 1065252, 1331565, 1420336, 1775420, 2130504, 2663130, 3550840, 4261008, 5326260, 7101680, 10652520, 21305040]

約数ペア:

[(1, 21305040), (2, 10652520), (3, 7101680), (4, 5326260), (5, 4261008), (6, 3550840), (8, 2663130), (10, 2130504), (12, 1775420), (15, 1420336), (16, 1331565), (20, 1065252), (24, 887710), (30, 710168), (40, 532626), (48, 443855), (60, 355084), (80, 266313), (120, 177542), (240, 88771)]