21492583252

素因数分解:

$2^2\times 7^2\times {\mathrm{109656037}}^1$

素因数の和:109656055

約数の個数: 18

約数和(自身を含む): 43752759162

約数和(自身を除く): 22260175910

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 109656037, 219312074, 438624148, 767592259, 1535184518, 3070369036, 5373145813, 10746291626, 21492583252]

約数ペア:

[(1, 21492583252), (2, 10746291626), (4, 5373145813), (7, 3070369036), (14, 1535184518), (28, 767592259), (49, 438624148), (98, 219312074), (196, 109656037)]