21194560

素因数分解:

$2^6\times 5^1\times {\mathrm{107}}^1\times {\mathrm{619}}^1$

素因数の和:743

約数の個数: 56

約数和(自身を含む): 51023520

約数和(自身を除く): 29828960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 160, 214, 320, 428, 535, 619, 856, 1070, 1238, 1712, 2140, 2476, 3095, 3424, 4280, 4952, 6190, 6848, 8560, 9904, 12380, 17120, 19808, 24760, 34240, 39616, 49520, 66233, 99040, 132466, 198080, 264932, 331165, 529864, 662330, 1059728, 1324660, 2119456, 2649320, 4238912, 5298640, 10597280, 21194560]

約数ペア:

[(1, 21194560), (2, 10597280), (4, 5298640), (5, 4238912), (8, 2649320), (10, 2119456), (16, 1324660), (20, 1059728), (32, 662330), (40, 529864), (64, 331165), (80, 264932), (107, 198080), (160, 132466), (214, 99040), (320, 66233), (428, 49520), (535, 39616), (619, 34240), (856, 24760), (1070, 19808), (1238, 17120), (1712, 12380), (2140, 9904), (2476, 8560), (3095, 6848), (3424, 6190), (4280, 4952)]