21000966464

素因数分解:

$2^6\times {\mathrm{191}}^1\times {\mathrm{1718011}}^1$

素因数の和:1718214

約数の個数: 28

約数和(自身を含む): 41892004608

約数和(自身を除く): 20891038144

約数列:

[1, 2, 4, 8, 16, 32, 64, 191, 382, 764, 1528, 3056, 6112, 12224, 1718011, 3436022, 6872044, 13744088, 27488176, 54976352, 109952704, 328140101, 656280202, 1312560404, 2625120808, 5250241616, 10500483232, 21000966464]

約数ペア:

[(1, 21000966464), (2, 10500483232), (4, 5250241616), (8, 2625120808), (16, 1312560404), (32, 656280202), (64, 328140101), (191, 109952704), (382, 54976352), (764, 27488176), (1528, 13744088), (3056, 6872044), (6112, 3436022), (12224, 1718011)]