21936978

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1153}}^1$

素因数の和:1319

約数の個数: 48

約数和(自身を含む): 54727296

約数和(自身を除く): 32790318

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 151, 302, 453, 906, 1057, 1153, 1359, 2114, 2306, 2718, 3171, 3459, 6342, 6918, 8071, 9513, 10377, 16142, 19026, 20754, 24213, 48426, 72639, 145278, 174103, 348206, 522309, 1044618, 1218721, 1566927, 2437442, 3133854, 3656163, 7312326, 10968489, 21936978]

約数ペア:

[(1, 21936978), (2, 10968489), (3, 7312326), (6, 3656163), (7, 3133854), (9, 2437442), (14, 1566927), (18, 1218721), (21, 1044618), (42, 522309), (63, 348206), (126, 174103), (151, 145278), (302, 72639), (453, 48426), (906, 24213), (1057, 20754), (1153, 19026), (1359, 16142), (2114, 10377), (2306, 9513), (2718, 8071), (3171, 6918), (3459, 6342)]