21957516

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{87133}}^1$

素因数の和:87150

約数の個数: 36

約数和(自身を含む): 63433552

約数和(自身を除く): 41476036

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 87133, 174266, 261399, 348532, 522798, 609931, 784197, 1045596, 1219862, 1568394, 1829793, 2439724, 3136788, 3659586, 5489379, 7319172, 10978758, 21957516]

約数ペア:

[(1, 21957516), (2, 10978758), (3, 7319172), (4, 5489379), (6, 3659586), (7, 3136788), (9, 2439724), (12, 1829793), (14, 1568394), (18, 1219862), (21, 1045596), (28, 784197), (36, 609931), (42, 522798), (63, 348532), (84, 261399), (126, 174266), (252, 87133)]