21304814080

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{756563}}^1$

素因数の和:756597

約数の個数: 80

約数和(自身を含む): 55725477984

約数和(自身を除く): 34420663904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1280, 1408, 1760, 2560, 2816, 3520, 5632, 7040, 14080, 28160, 756563, 1513126, 3026252, 3782815, 6052504, 7565630, 8322193, 12105008, 15131260, 16644386, 24210016, 30262520, 33288772, 41610965, 48420032, 60525040, 66577544, 83221930, 96840064, 121050080, 133155088, 166443860, 193680128, 242100160, 266310176, 332887720, 387360256, 484200320, 532620352, 665775440, 968400640, 1065240704, 1331550880, 1936801280, 2130481408, 2663101760, 4260962816, 5326203520, 10652407040, 21304814080]

約数ペア:

[(1, 21304814080), (2, 10652407040), (4, 5326203520), (5, 4260962816), (8, 2663101760), (10, 2130481408), (11, 1936801280), (16, 1331550880), (20, 1065240704), (22, 968400640), (32, 665775440), (40, 532620352), (44, 484200320), (55, 387360256), (64, 332887720), (80, 266310176), (88, 242100160), (110, 193680128), (128, 166443860), (160, 133155088), (176, 121050080), (220, 96840064), (256, 83221930), (320, 66577544), (352, 60525040), (440, 48420032), (512, 41610965), (640, 33288772), (704, 30262520), (880, 24210016), (1280, 16644386), (1408, 15131260), (1760, 12105008), (2560, 8322193), (2816, 7565630), (3520, 6052504), (5632, 3782815), (7040, 3026252), (14080, 1513126), (28160, 756563)]