21831208

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{4019}}^1$

素因数の和:4129

約数の個数: 32

約数和(自身を含む): 47275200

約数和(自身を除く): 25443992

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 194, 388, 679, 776, 1358, 2716, 4019, 5432, 8038, 16076, 28133, 32152, 56266, 112532, 225064, 389843, 779686, 1559372, 2728901, 3118744, 5457802, 10915604, 21831208]

約数ペア:

[(1, 21831208), (2, 10915604), (4, 5457802), (7, 3118744), (8, 2728901), (14, 1559372), (28, 779686), (56, 389843), (97, 225064), (194, 112532), (388, 56266), (679, 32152), (776, 28133), (1358, 16076), (2716, 8038), (4019, 5432)]