21431466

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{18899}}^1$

素因数の和:18920

約数の個数: 40

約数和(自身を含む): 54885600

約数和(自身を除く): 33454134

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 18899, 37798, 56697, 113394, 132293, 170091, 264586, 340182, 396879, 510273, 793758, 1020546, 1190637, 1530819, 2381274, 3061638, 3571911, 7143822, 10715733, 21431466]

約数ペア:

[(1, 21431466), (2, 10715733), (3, 7143822), (6, 3571911), (7, 3061638), (9, 2381274), (14, 1530819), (18, 1190637), (21, 1020546), (27, 793758), (42, 510273), (54, 396879), (63, 340182), (81, 264586), (126, 170091), (162, 132293), (189, 113394), (378, 56697), (567, 37798), (1134, 18899)]