21392504

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{5233}}^1$

素因数の和:5319

約数の個数: 32

約数和(自身を含む): 46477920

約数和(自身を除く): 25085416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 5233, 10466, 20932, 36631, 41864, 73262, 146524, 293048, 382009, 764018, 1528036, 2674063, 3056072, 5348126, 10696252, 21392504]

約数ペア:

[(1, 21392504), (2, 10696252), (4, 5348126), (7, 3056072), (8, 2674063), (14, 1528036), (28, 764018), (56, 382009), (73, 293048), (146, 146524), (292, 73262), (511, 41864), (584, 36631), (1022, 20932), (2044, 10466), (4088, 5233)]