21803776

素因数分解:

$2^8\times {\mathrm{53}}^1\times {\mathrm{1607}}^1$

素因数の和:1676

約数の個数: 36

約数和(自身を含む): 44371152

約数和(自身を除く): 22567376

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 256, 424, 848, 1607, 1696, 3214, 3392, 6428, 6784, 12856, 13568, 25712, 51424, 85171, 102848, 170342, 205696, 340684, 411392, 681368, 1362736, 2725472, 5450944, 10901888, 21803776]

約数ペア:

[(1, 21803776), (2, 10901888), (4, 5450944), (8, 2725472), (16, 1362736), (32, 681368), (53, 411392), (64, 340684), (106, 205696), (128, 170342), (212, 102848), (256, 85171), (424, 51424), (848, 25712), (1607, 13568), (1696, 12856), (3214, 6784), (3392, 6428)]