21001065876

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{83337563}}^1$

素因数の和:83337580

約数の個数: 36

約数和(自身を含む): 60669746592

約数和(自身を除く): 39668680716

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 83337563, 166675126, 250012689, 333350252, 500025378, 583362941, 750038067, 1000050756, 1166725882, 1500076134, 1750088823, 2333451764, 3000152268, 3500177646, 5250266469, 7000355292, 10500532938, 21001065876]

約数ペア:

[(1, 21001065876), (2, 10500532938), (3, 7000355292), (4, 5250266469), (6, 3500177646), (7, 3000152268), (9, 2333451764), (12, 1750088823), (14, 1500076134), (18, 1166725882), (21, 1000050756), (28, 750038067), (36, 583362941), (42, 500025378), (63, 333350252), (84, 250012689), (126, 166675126), (252, 83337563)]