21250240

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6037}}^1$

素因数の和:6065

約数の個数: 56

約数和(自身を含む): 55211472

約数和(自身を除く): 33961232

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 6037, 12074, 24148, 30185, 48296, 60370, 66407, 96592, 120740, 132814, 193184, 241480, 265628, 332035, 386368, 482960, 531256, 664070, 965920, 1062512, 1328140, 1931840, 2125024, 2656280, 4250048, 5312560, 10625120, 21250240]

約数ペア:

[(1, 21250240), (2, 10625120), (4, 5312560), (5, 4250048), (8, 2656280), (10, 2125024), (11, 1931840), (16, 1328140), (20, 1062512), (22, 965920), (32, 664070), (40, 531256), (44, 482960), (55, 386368), (64, 332035), (80, 265628), (88, 241480), (110, 193184), (160, 132814), (176, 120740), (220, 96592), (320, 66407), (352, 60370), (440, 48296), (704, 30185), (880, 24148), (1760, 12074), (3520, 6037)]